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Finding the Fourth Proportional to 89,706.67, 134,503.50 and 47,560.14

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Solution

The fourth proportional to 89,706.67, 134,503.50 and 47,560.14 is: 71,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,706.67 : 134,503.50 = 47,560.14 : x
  2. Step 2: Convert to fraction form
    89,706.67/134,503.50 = 47,560.14/x
  3. Step 3: Cross multiply
    89,706.67x = 134,503.50 × 47,560.14
  4. Step 4: Simplify right side
    89,706.67x = 6,397,005,290.49
  5. Step 5: Solve for x
    x = 6,397,005,290.49/89,706.67
  6. Step 6: Final answer
    x = 71,310.25

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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.