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Finding the Fourth Proportional to 234,533.50, 351,800.25 and 103,205.50

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Solution

The fourth proportional to 234,533.50, 351,800.25 and 103,205.50 is: 154,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,533.50 : 351,800.25 = 103,205.50 : x
  2. Step 2: Convert to fraction form
    234,533.50/351,800.25 = 103,205.50/x
  3. Step 3: Cross multiply
    234,533.50x = 351,800.25 × 103,205.50
  4. Step 4: Simplify right side
    234,533.50x = 36,307,720,701.38
  5. Step 5: Solve for x
    x = 36,307,720,701.38/234,533.50
  6. Step 6: Final answer
    x = 154,808.25

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Double scale
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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.