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Finding the Fourth Proportional to 123,066.35, 169,847.01 and 72,098.52

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Solution

The fourth proportional to 123,066.35, 169,847.01 and 72,098.52 is: 99,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,066.35 : 169,847.01 = 72,098.52 : x
  2. Step 2: Convert to fraction form
    123,066.35/169,847.01 = 72,098.52/x
  3. Step 3: Cross multiply
    123,066.35x = 169,847.01 × 72,098.52
  4. Step 4: Simplify right side
    123,066.35x = 12,245,717,686.93
  5. Step 5: Solve for x
    x = 12,245,717,686.93/123,066.35
  6. Step 6: Final answer
    x = 99,505.01

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