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Finding the Fourth Proportional to 109,881.96, 151,637.19 and 59,580.96

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Solution

The fourth proportional to 109,881.96, 151,637.19 and 59,580.96 is: 82,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,881.96 : 151,637.19 = 59,580.96 : x
  2. Step 2: Convert to fraction form
    109,881.96/151,637.19 = 59,580.96/x
  3. Step 3: Cross multiply
    109,881.96x = 151,637.19 × 59,580.96
  4. Step 4: Simplify right side
    109,881.96x = 9,034,689,351.90
  5. Step 5: Solve for x
    x = 9,034,689,351.90/109,881.96
  6. Step 6: Final answer
    x = 82,221.77

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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.