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Finding the Fourth Proportional to 107,599.92, 148,432.56 and 62,862

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Solution

The fourth proportional to 107,599.92, 148,432.56 and 62,862 is: 86,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,599.92 : 148,432.56 = 62,862 : x
  2. Step 2: Convert to fraction form
    107,599.92/148,432.56 = 62,862/x
  3. Step 3: Cross multiply
    107,599.92x = 148,432.56 × 62,862
  4. Step 4: Simplify right side
    107,599.92x = 9,330,767,586.72
  5. Step 5: Solve for x
    x = 9,330,767,586.72/107,599.92
  6. Step 6: Final answer
    x = 86,717.24

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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.