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Finding the Fourth Proportional to 187,760.96, 281,641.20 and 63,189.44

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Solution

The fourth proportional to 187,760.96, 281,641.20 and 63,189.44 is: 94,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,760.96 : 281,641.20 = 63,189.44 : x
  2. Step 2: Convert to fraction form
    187,760.96/281,641.20 = 63,189.44/x
  3. Step 3: Cross multiply
    187,760.96x = 281,641.20 × 63,189.44
  4. Step 4: Simplify right side
    187,760.96x = 17,796,749,708.93
  5. Step 5: Solve for x
    x = 17,796,749,708.93/187,760.96
  6. Step 6: Final answer
    x = 94,784.08

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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.