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Finding the Fourth Proportional to 174,419.52, 240,691.68 and 98,972.16

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Solution

The fourth proportional to 174,419.52, 240,691.68 and 98,972.16 is: 136,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,419.52 : 240,691.68 = 98,972.16 : x
  2. Step 2: Convert to fraction form
    174,419.52/240,691.68 = 98,972.16/x
  3. Step 3: Cross multiply
    174,419.52x = 240,691.68 × 98,972.16
  4. Step 4: Simplify right side
    174,419.52x = 23,821,775,463.63
  5. Step 5: Solve for x
    x = 23,821,775,463.63/174,419.52
  6. Step 6: Final answer
    x = 136,577.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.