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Finding the Fourth Proportional to 151,715.20, 227,572.80 and 149,746.90

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Solution

The fourth proportional to 151,715.20, 227,572.80 and 149,746.90 is: 224,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715.20 : 227,572.80 = 149,746.90 : x
  2. Step 2: Convert to fraction form
    151,715.20/227,572.80 = 149,746.90/x
  3. Step 3: Cross multiply
    151,715.20x = 227,572.80 × 149,746.90
  4. Step 4: Simplify right side
    151,715.20x = 34,078,321,324.32
  5. Step 5: Solve for x
    x = 34,078,321,324.32/151,715.20
  6. Step 6: Final answer
    x = 224,620.35

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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.