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Finding the Fourth Proportional to 103,465.50, 155,198.25 and 29,593.50

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Solution

The fourth proportional to 103,465.50, 155,198.25 and 29,593.50 is: 44,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,465.50 : 155,198.25 = 29,593.50 : x
  2. Step 2: Convert to fraction form
    103,465.50/155,198.25 = 29,593.50/x
  3. Step 3: Cross multiply
    103,465.50x = 155,198.25 × 29,593.50
  4. Step 4: Simplify right side
    103,465.50x = 4,592,859,411.38
  5. Step 5: Solve for x
    x = 4,592,859,411.38/103,465.50
  6. Step 6: Final answer
    x = 44,390.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.