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Finding the Fourth Proportional to 187,753.72, 281,628.13 and 45,600.16

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Solution

The fourth proportional to 187,753.72, 281,628.13 and 45,600.16 is: 68,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,753.72 : 281,628.13 = 45,600.16 : x
  2. Step 2: Convert to fraction form
    187,753.72/281,628.13 = 45,600.16/x
  3. Step 3: Cross multiply
    187,753.72x = 281,628.13 × 45,600.16
  4. Step 4: Simplify right side
    187,753.72x = 12,842,287,788.50
  5. Step 5: Solve for x
    x = 12,842,287,788.50/187,753.72
  6. Step 6: Final answer
    x = 68,399.64

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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.