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Finding the Fourth Proportional to 175,102.43, 241,631.44 and 103,489.11

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Solution

The fourth proportional to 175,102.43, 241,631.44 and 103,489.11 is: 142,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,102.43 : 241,631.44 = 103,489.11 : x
  2. Step 2: Convert to fraction form
    175,102.43/241,631.44 = 103,489.11/x
  3. Step 3: Cross multiply
    175,102.43x = 241,631.44 × 103,489.11
  4. Step 4: Simplify right side
    175,102.43x = 25,006,222,414.90
  5. Step 5: Solve for x
    x = 25,006,222,414.90/175,102.43
  6. Step 6: Final answer
    x = 142,809.12

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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.