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Finding the Fourth Proportional to 123,073.83, 169,839.53 and 69,357.77

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Solution

The fourth proportional to 123,073.83, 169,839.53 and 69,357.77 is: 95,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,073.83 : 169,839.53 = 69,357.77 : x
  2. Step 2: Convert to fraction form
    123,073.83/169,839.53 = 69,357.77/x
  3. Step 3: Cross multiply
    123,073.83x = 169,839.53 × 69,357.77
  4. Step 4: Simplify right side
    123,073.83x = 11,779,691,149.79
  5. Step 5: Solve for x
    x = 11,779,691,149.79/123,073.83
  6. Step 6: Final answer
    x = 95,712.40

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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.