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Finding the Fourth Proportional to 162,412.92, 243,645.66 and 50,066.87

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Solution

The fourth proportional to 162,412.92, 243,645.66 and 50,066.87 is: 75,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,412.92 : 243,645.66 = 50,066.87 : x
  2. Step 2: Convert to fraction form
    162,412.92/243,645.66 = 50,066.87/x
  3. Step 3: Cross multiply
    162,412.92x = 243,645.66 × 50,066.87
  4. Step 4: Simplify right side
    162,412.92x = 12,198,575,585.28
  5. Step 5: Solve for x
    x = 12,198,575,585.28/162,412.92
  6. Step 6: Final answer
    x = 75,108.41

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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.