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Finding the Fourth Proportional to 144,691.90, 217,278.69 and 97,610.02

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Solution

The fourth proportional to 144,691.90, 217,278.69 and 97,610.02 is: 146,577.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,691.90 : 217,278.69 = 97,610.02 : x
  2. Step 2: Convert to fraction form
    144,691.90/217,278.69 = 97,610.02/x
  3. Step 3: Cross multiply
    144,691.90x = 217,278.69 × 97,610.02
  4. Step 4: Simplify right side
    144,691.90x = 21,208,577,276.47
  5. Step 5: Solve for x
    x = 21,208,577,276.47/144,691.90
  6. Step 6: Final answer
    x = 146,577.50

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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.