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Finding the Fourth Proportional to 97,420.52, 146,177.02 and 67,480.80

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Solution

The fourth proportional to 97,420.52, 146,177.02 and 67,480.80 is: 101,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,420.52 : 146,177.02 = 67,480.80 : x
  2. Step 2: Convert to fraction form
    97,420.52/146,177.02 = 67,480.80/x
  3. Step 3: Cross multiply
    97,420.52x = 146,177.02 × 67,480.80
  4. Step 4: Simplify right side
    97,420.52x = 9,864,142,251.22
  5. Step 5: Solve for x
    x = 9,864,142,251.22/97,420.52
  6. Step 6: Final answer
    x = 101,253.23

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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.