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Finding the Fourth Proportional to 162,253.53, 243,049.82 and 132,374.25

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Solution

The fourth proportional to 162,253.53, 243,049.82 and 132,374.25 is: 198,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,253.53 : 243,049.82 = 132,374.25 : x
  2. Step 2: Convert to fraction form
    162,253.53/243,049.82 = 132,374.25/x
  3. Step 3: Cross multiply
    162,253.53x = 243,049.82 × 132,374.25
  4. Step 4: Simplify right side
    162,253.53x = 32,173,536,973.26
  5. Step 5: Solve for x
    x = 32,173,536,973.26/162,253.53
  6. Step 6: Final answer
    x = 198,291.75

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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.