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Finding the Fourth Proportional to 68,973.42, 95,160.36 and 38,754.52

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Solution

The fourth proportional to 68,973.42, 95,160.36 and 38,754.52 is: 53,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,973.42 : 95,160.36 = 38,754.52 : x
  2. Step 2: Convert to fraction form
    68,973.42/95,160.36 = 38,754.52/x
  3. Step 3: Cross multiply
    68,973.42x = 95,160.36 × 38,754.52
  4. Step 4: Simplify right side
    68,973.42x = 3,687,894,074.83
  5. Step 5: Solve for x
    x = 3,687,894,074.83/68,973.42
  6. Step 6: Final answer
    x = 53,468.34

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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.