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Finding the Fourth Proportional to 107,156.92, 147,876.56 and 59,409.22

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Solution

The fourth proportional to 107,156.92, 147,876.56 and 59,409.22 is: 81,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,156.92 : 147,876.56 = 59,409.22 : x
  2. Step 2: Convert to fraction form
    107,156.92/147,876.56 = 59,409.22/x
  3. Step 3: Cross multiply
    107,156.92x = 147,876.56 × 59,409.22
  4. Step 4: Simplify right side
    107,156.92x = 8,785,231,085.88
  5. Step 5: Solve for x
    x = 8,785,231,085.88/107,156.92
  6. Step 6: Final answer
    x = 81,984.73

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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.