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Finding the Fourth Proportional to 121,397.52, 182,096.28 and 38,298

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Solution

The fourth proportional to 121,397.52, 182,096.28 and 38,298 is: 57,447.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,397.52 : 182,096.28 = 38,298 : x
  2. Step 2: Convert to fraction form
    121,397.52/182,096.28 = 38,298/x
  3. Step 3: Cross multiply
    121,397.52x = 182,096.28 × 38,298
  4. Step 4: Simplify right side
    121,397.52x = 6,973,923,331.44
  5. Step 5: Solve for x
    x = 6,973,923,331.44/121,397.52
  6. Step 6: Final answer
    x = 57,447.00

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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.