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Finding the Fourth Proportional to 97,169.72, 145,425.11 and 59,753.30

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Solution

The fourth proportional to 97,169.72, 145,425.11 and 59,753.30 is: 89,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,169.72 : 145,425.11 = 59,753.30 : x
  2. Step 2: Convert to fraction form
    97,169.72/145,425.11 = 59,753.30/x
  3. Step 3: Cross multiply
    97,169.72x = 145,425.11 × 59,753.30
  4. Step 4: Simplify right side
    97,169.72x = 8,689,629,199.47
  5. Step 5: Solve for x
    x = 8,689,629,199.47/97,169.72
  6. Step 6: Final answer
    x = 89,427.34

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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.