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Finding the Fourth Proportional to 97,387.66, 146,127.75 and 67,447.97

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Solution

The fourth proportional to 97,387.66, 146,127.75 and 67,447.97 is: 101,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,387.66 : 146,127.75 = 67,447.97 : x
  2. Step 2: Convert to fraction form
    97,387.66/146,127.75 = 67,447.97/x
  3. Step 3: Cross multiply
    97,387.66x = 146,127.75 × 67,447.97
  4. Step 4: Simplify right side
    97,387.66x = 9,856,020,098.17
  5. Step 5: Solve for x
    x = 9,856,020,098.17/97,387.66
  6. Step 6: Final answer
    x = 101,203.99

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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.