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Finding the Fourth Proportional to 187,332.56, 281,017.28 and 68,976.24

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Solution

The fourth proportional to 187,332.56, 281,017.28 and 68,976.24 is: 103,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,332.56 : 281,017.28 = 68,976.24 : x
  2. Step 2: Convert to fraction form
    187,332.56/281,017.28 = 68,976.24/x
  3. Step 3: Cross multiply
    187,332.56x = 281,017.28 × 68,976.24
  4. Step 4: Simplify right side
    187,332.56x = 19,383,515,349.43
  5. Step 5: Solve for x
    x = 19,383,515,349.43/187,332.56
  6. Step 6: Final answer
    x = 103,471.15

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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.