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Finding the Fourth Proportional to 107,179.62, 147,911.31 and 59,437.41

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Solution

The fourth proportional to 107,179.62, 147,911.31 and 59,437.41 is: 82,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,179.62 : 147,911.31 = 59,437.41 : x
  2. Step 2: Convert to fraction form
    107,179.62/147,911.31 = 59,437.41/x
  3. Step 3: Cross multiply
    107,179.62x = 147,911.31 × 59,437.41
  4. Step 4: Simplify right side
    107,179.62x = 8,791,465,176.11
  5. Step 5: Solve for x
    x = 8,791,465,176.11/107,179.62
  6. Step 6: Final answer
    x = 82,025.53

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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.