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Finding the Fourth Proportional to 374,920.80, 561,943.80 and 150,170.10

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Solution

The fourth proportional to 374,920.80, 561,943.80 and 150,170.10 is: 225,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,920.80 : 561,943.80 = 150,170.10 : x
  2. Step 2: Convert to fraction form
    374,920.80/561,943.80 = 150,170.10/x
  3. Step 3: Cross multiply
    374,920.80x = 561,943.80 × 150,170.10
  4. Step 4: Simplify right side
    374,920.80x = 84,387,156,640.38
  5. Step 5: Solve for x
    x = 84,387,156,640.38/374,920.80
  6. Step 6: Final answer
    x = 225,079.95

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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.