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Finding the Fourth Proportional to 367,384.76, 551,077.12 and 118,086.20

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Solution

The fourth proportional to 367,384.76, 551,077.12 and 118,086.20 is: 177,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,384.76 : 551,077.12 = 118,086.20 : x
  2. Step 2: Convert to fraction form
    367,384.76/551,077.12 = 118,086.20/x
  3. Step 3: Cross multiply
    367,384.76x = 551,077.12 × 118,086.20
  4. Step 4: Simplify right side
    367,384.76x = 65,074,603,007.74
  5. Step 5: Solve for x
    x = 65,074,603,007.74/367,384.76
  6. Step 6: Final answer
    x = 177,129.29

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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.