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Finding the Fourth Proportional to 561,255.20, 841,882.80 and 167,271.20

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Solution

The fourth proportional to 561,255.20, 841,882.80 and 167,271.20 is: 250,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,255.20 : 841,882.80 = 167,271.20 : x
  2. Step 2: Convert to fraction form
    561,255.20/841,882.80 = 167,271.20/x
  3. Step 3: Cross multiply
    561,255.20x = 841,882.80 × 167,271.20
  4. Step 4: Simplify right side
    561,255.20x = 140,822,746,215.36
  5. Step 5: Solve for x
    x = 140,822,746,215.36/561,255.20
  6. Step 6: Final answer
    x = 250,906.80

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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.