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Finding the Fourth Proportional to 52,150, 78,220.88 and 14,708.56

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Solution

The fourth proportional to 52,150, 78,220.88 and 14,708.56 is: 22,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,150 : 78,220.88 = 14,708.56 : x
  2. Step 2: Convert to fraction form
    52,150/78,220.88 = 14,708.56/x
  3. Step 3: Cross multiply
    52,150x = 78,220.88 × 14,708.56
  4. Step 4: Simplify right side
    52,150x = 1,150,516,506.73
  5. Step 5: Solve for x
    x = 1,150,516,506.73/52,150
  6. Step 6: Final answer
    x = 22,061.68

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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.