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Finding the Fourth Proportional to 242,956, 334,825.28 and 174,854.76

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Solution

The fourth proportional to 242,956, 334,825.28 and 174,854.76 is: 240,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,956 : 334,825.28 = 174,854.76 : x
  2. Step 2: Convert to fraction form
    242,956/334,825.28 = 174,854.76/x
  3. Step 3: Cross multiply
    242,956x = 334,825.28 × 174,854.76
  4. Step 4: Simplify right side
    242,956x = 58,545,793,976.33
  5. Step 5: Solve for x
    x = 58,545,793,976.33/242,956
  6. Step 6: Final answer
    x = 240,972.83

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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.