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Finding the Fourth Proportional to 149,401.20, 224,101.80 and 38,593.20

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Solution

The fourth proportional to 149,401.20, 224,101.80 and 38,593.20 is: 57,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,401.20 : 224,101.80 = 38,593.20 : x
  2. Step 2: Convert to fraction form
    149,401.20/224,101.80 = 38,593.20/x
  3. Step 3: Cross multiply
    149,401.20x = 224,101.80 × 38,593.20
  4. Step 4: Simplify right side
    149,401.20x = 8,648,805,587.76
  5. Step 5: Solve for x
    x = 8,648,805,587.76/149,401.20
  6. Step 6: Final answer
    x = 57,889.80

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1.5x scale

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.