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Finding the Fourth Proportional to 149,348.60, 224,460.30 and 146,724.20

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Solution

The fourth proportional to 149,348.60, 224,460.30 and 146,724.20 is: 220,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,348.60 : 224,460.30 = 146,724.20 : x
  2. Step 2: Convert to fraction form
    149,348.60/224,460.30 = 146,724.20/x
  3. Step 3: Cross multiply
    149,348.60x = 224,460.30 × 146,724.20
  4. Step 4: Simplify right side
    149,348.60x = 32,933,757,949.26
  5. Step 5: Solve for x
    x = 32,933,757,949.26/149,348.60
  6. Step 6: Final answer
    x = 220,516.01

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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.