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Finding the Fourth Proportional to 162,781.68, 244,209.60 and 62,942.16

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Solution

The fourth proportional to 162,781.68, 244,209.60 and 62,942.16 is: 94,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,781.68 : 244,209.60 = 62,942.16 : x
  2. Step 2: Convert to fraction form
    162,781.68/244,209.60 = 62,942.16/x
  3. Step 3: Cross multiply
    162,781.68x = 244,209.60 × 62,942.16
  4. Step 4: Simplify right side
    162,781.68x = 15,371,079,716.74
  5. Step 5: Solve for x
    x = 15,371,079,716.74/162,781.68
  6. Step 6: Final answer
    x = 94,427.58

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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.