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Finding the Fourth Proportional to 162,468.96, 243,708.48 and 44,139.84

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Solution

The fourth proportional to 162,468.96, 243,708.48 and 44,139.84 is: 66,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,468.96 : 243,708.48 = 44,139.84 : x
  2. Step 2: Convert to fraction form
    162,468.96/243,708.48 = 44,139.84/x
  3. Step 3: Cross multiply
    162,468.96x = 243,708.48 × 44,139.84
  4. Step 4: Simplify right side
    162,468.96x = 10,757,253,313.84
  5. Step 5: Solve for x
    x = 10,757,253,313.84/162,468.96
  6. Step 6: Final answer
    x = 66,211.13

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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.