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Finding the Fourth Proportional to 103,886.70, 155,830.05 and 33,773.10

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Solution

The fourth proportional to 103,886.70, 155,830.05 and 33,773.10 is: 50,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,886.70 : 155,830.05 = 33,773.10 : x
  2. Step 2: Convert to fraction form
    103,886.70/155,830.05 = 33,773.10/x
  3. Step 3: Cross multiply
    103,886.70x = 155,830.05 × 33,773.10
  4. Step 4: Simplify right side
    103,886.70x = 5,262,863,861.66
  5. Step 5: Solve for x
    x = 5,262,863,861.66/103,886.70
  6. Step 6: Final answer
    x = 50,659.65

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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.