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Finding the Fourth Proportional to 123,599.17, 170,565.82 and 69,894.73

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Solution

The fourth proportional to 123,599.17, 170,565.82 and 69,894.73 is: 96,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,599.17 : 170,565.82 = 69,894.73 : x
  2. Step 2: Convert to fraction form
    123,599.17/170,565.82 = 69,894.73/x
  3. Step 3: Cross multiply
    123,599.17x = 170,565.82 × 69,894.73
  4. Step 4: Simplify right side
    123,599.17x = 11,921,651,936.13
  5. Step 5: Solve for x
    x = 11,921,651,936.13/123,599.17
  6. Step 6: Final answer
    x = 96,454.14

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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.