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Finding the Fourth Proportional to 64,960.56, 97,250.76 and 58,734.90

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Solution

The fourth proportional to 64,960.56, 97,250.76 and 58,734.90 is: 87,930.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,960.56 : 97,250.76 = 58,734.90 : x
  2. Step 2: Convert to fraction form
    64,960.56/97,250.76 = 58,734.90/x
  3. Step 3: Cross multiply
    64,960.56x = 97,250.76 × 58,734.90
  4. Step 4: Simplify right side
    64,960.56x = 5,712,013,663.52
  5. Step 5: Solve for x
    x = 5,712,013,663.52/64,960.56
  6. Step 6: Final answer
    x = 87,930.49

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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.