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Finding the Fourth Proportional to 110,641.43, 152,658.92 and 62,891.01

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Solution

The fourth proportional to 110,641.43, 152,658.92 and 62,891.01 is: 86,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,641.43 : 152,658.92 = 62,891.01 : x
  2. Step 2: Convert to fraction form
    110,641.43/152,658.92 = 62,891.01/x
  3. Step 3: Cross multiply
    110,641.43x = 152,658.92 × 62,891.01
  4. Step 4: Simplify right side
    110,641.43x = 9,600,873,349.85
  5. Step 5: Solve for x
    x = 9,600,873,349.85/110,641.43
  6. Step 6: Final answer
    x = 86,774.67

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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.