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Finding the Fourth Proportional to 187,521, 281,350.62 and 98,770.92

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Solution

The fourth proportional to 187,521, 281,350.62 and 98,770.92 is: 148,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,521 : 281,350.62 = 98,770.92 : x
  2. Step 2: Convert to fraction form
    187,521/281,350.62 = 98,770.92/x
  3. Step 3: Cross multiply
    187,521x = 281,350.62 × 98,770.92
  4. Step 4: Simplify right side
    187,521x = 27,789,259,579.97
  5. Step 5: Solve for x
    x = 27,789,259,579.97/187,521
  6. Step 6: Final answer
    x = 148,192.79

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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.