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Finding the Fourth Proportional to 162,479.31, 243,723.93 and 44,153.16

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Solution

The fourth proportional to 162,479.31, 243,723.93 and 44,153.16 is: 66,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,479.31 : 243,723.93 = 44,153.16 : x
  2. Step 2: Convert to fraction form
    162,479.31/243,723.93 = 44,153.16/x
  3. Step 3: Cross multiply
    162,479.31x = 243,723.93 × 44,153.16
  4. Step 4: Simplify right side
    162,479.31x = 10,761,181,677.12
  5. Step 5: Solve for x
    x = 10,761,181,677.12/162,479.31
  6. Step 6: Final answer
    x = 66,231.09

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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.