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Finding the Fourth Proportional to 171,437.40, 256,572.90 and 150,442.20

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Solution

The fourth proportional to 171,437.40, 256,572.90 and 150,442.20 is: 225,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,437.40 : 256,572.90 = 150,442.20 : x
  2. Step 2: Convert to fraction form
    171,437.40/256,572.90 = 150,442.20/x
  3. Step 3: Cross multiply
    171,437.40x = 256,572.90 × 150,442.20
  4. Step 4: Simplify right side
    171,437.40x = 38,599,391,536.38
  5. Step 5: Solve for x
    x = 38,599,391,536.38/171,437.40
  6. Step 6: Final answer
    x = 225,151.52

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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.