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Finding the Fourth Proportional to 88,889.82, 133,306.93 and 29,711.64

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Solution

The fourth proportional to 88,889.82, 133,306.93 and 29,711.64 is: 44,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,889.82 : 133,306.93 = 29,711.64 : x
  2. Step 2: Convert to fraction form
    88,889.82/133,306.93 = 29,711.64/x
  3. Step 3: Cross multiply
    88,889.82x = 133,306.93 × 29,711.64
  4. Step 4: Simplify right side
    88,889.82x = 3,960,768,050.71
  5. Step 5: Solve for x
    x = 3,960,768,050.71/88,889.82
  6. Step 6: Final answer
    x = 44,558.18

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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.