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Finding the Fourth Proportional to 123,069.64, 169,841.10 and 69,356.92

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Solution

The fourth proportional to 123,069.64, 169,841.10 and 69,356.92 is: 95,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069.64 : 169,841.10 = 69,356.92 : x
  2. Step 2: Convert to fraction form
    123,069.64/169,841.10 = 69,356.92/x
  3. Step 3: Cross multiply
    123,069.64x = 169,841.10 × 69,356.92
  4. Step 4: Simplify right side
    123,069.64x = 11,779,655,585.41
  5. Step 5: Solve for x
    x = 11,779,655,585.41/123,069.64
  6. Step 6: Final answer
    x = 95,715.37

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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.