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Finding the Fourth Proportional to 71,036.58, 106,437.75 and 63,711.96

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Solution

The fourth proportional to 71,036.58, 106,437.75 and 63,711.96 is: 95,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,036.58 : 106,437.75 = 63,711.96 : x
  2. Step 2: Convert to fraction form
    71,036.58/106,437.75 = 63,711.96/x
  3. Step 3: Cross multiply
    71,036.58x = 106,437.75 × 63,711.96
  4. Step 4: Simplify right side
    71,036.58x = 6,781,357,670.49
  5. Step 5: Solve for x
    x = 6,781,357,670.49/71,036.58
  6. Step 6: Final answer
    x = 95,462.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.