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Finding the Fourth Proportional to 123,229.50, 170,037.48 and 69,513.14

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Solution

The fourth proportional to 123,229.50, 170,037.48 and 69,513.14 is: 95,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,229.50 : 170,037.48 = 69,513.14 : x
  2. Step 2: Convert to fraction form
    123,229.50/170,037.48 = 69,513.14/x
  3. Step 3: Cross multiply
    123,229.50x = 170,037.48 × 69,513.14
  4. Step 4: Simplify right side
    123,229.50x = 11,819,839,152.49
  5. Step 5: Solve for x
    x = 11,819,839,152.49/123,229.50
  6. Step 6: Final answer
    x = 95,917.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.