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Finding the Fourth Proportional to 150,047.76, 207,174.34 and 92,765.62

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Solution

The fourth proportional to 150,047.76, 207,174.34 and 92,765.62 is: 128,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,047.76 : 207,174.34 = 92,765.62 : x
  2. Step 2: Convert to fraction form
    150,047.76/207,174.34 = 92,765.62/x
  3. Step 3: Cross multiply
    150,047.76x = 207,174.34 × 92,765.62
  4. Step 4: Simplify right side
    150,047.76x = 19,218,656,058.93
  5. Step 5: Solve for x
    x = 19,218,656,058.93/150,047.76
  6. Step 6: Final answer
    x = 128,083.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.