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Finding the Fourth Proportional to 108,274, 149,432.52 and 63,562

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Solution

The fourth proportional to 108,274, 149,432.52 and 63,562 is: 87,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,274 : 149,432.52 = 63,562 : x
  2. Step 2: Convert to fraction form
    108,274/149,432.52 = 63,562/x
  3. Step 3: Cross multiply
    108,274x = 149,432.52 × 63,562
  4. Step 4: Simplify right side
    108,274x = 9,498,229,836.24
  5. Step 5: Solve for x
    x = 9,498,229,836.24/108,274
  6. Step 6: Final answer
    x = 87,724.01

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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.