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Finding the Fourth Proportional to 187,753.47, 281,627.76 and 45,599.91

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Solution

The fourth proportional to 187,753.47, 281,627.76 and 45,599.91 is: 68,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,753.47 : 281,627.76 = 45,599.91 : x
  2. Step 2: Convert to fraction form
    187,753.47/281,627.76 = 45,599.91/x
  3. Step 3: Cross multiply
    187,753.47x = 281,627.76 × 45,599.91
  4. Step 4: Simplify right side
    187,753.47x = 12,842,200,509.50
  5. Step 5: Solve for x
    x = 12,842,200,509.50/187,753.47
  6. Step 6: Final answer
    x = 68,399.27

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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.