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Finding the Fourth Proportional to 162,254.53, 243,051.31 and 132,375.25

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Solution

The fourth proportional to 162,254.53, 243,051.31 and 132,375.25 is: 198,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,254.53 : 243,051.31 = 132,375.25 : x
  2. Step 2: Convert to fraction form
    162,254.53/243,051.31 = 132,375.25/x
  3. Step 3: Cross multiply
    162,254.53x = 243,051.31 × 132,375.25
  4. Step 4: Simplify right side
    162,254.53x = 32,173,977,924.08
  5. Step 5: Solve for x
    x = 32,173,977,924.08/162,254.53
  6. Step 6: Final answer
    x = 198,293.25

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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.