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Finding the Fourth Proportional to 367,614.51, 551,120.43 and 130,822.35

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Solution

The fourth proportional to 367,614.51, 551,120.43 and 130,822.35 is: 196,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,614.51 : 551,120.43 = 130,822.35 : x
  2. Step 2: Convert to fraction form
    367,614.51/551,120.43 = 130,822.35/x
  3. Step 3: Cross multiply
    367,614.51x = 551,120.43 × 130,822.35
  4. Step 4: Simplify right side
    367,614.51x = 72,098,869,785.61
  5. Step 5: Solve for x
    x = 72,098,869,785.61/367,614.51
  6. Step 6: Final answer
    x = 196,126.29

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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.