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Finding the Fourth Proportional to 367,508.73, 551,146.40 and 118,132.41

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Solution

The fourth proportional to 367,508.73, 551,146.40 and 118,132.41 is: 177,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,508.73 : 551,146.40 = 118,132.41 : x
  2. Step 2: Convert to fraction form
    367,508.73/551,146.40 = 118,132.41/x
  3. Step 3: Cross multiply
    367,508.73x = 551,146.40 × 118,132.41
  4. Step 4: Simplify right side
    367,508.73x = 65,108,251,904.16
  5. Step 5: Solve for x
    x = 65,108,251,904.16/367,508.73
  6. Step 6: Final answer
    x = 177,161.10

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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.