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Finding the Fourth Proportional to 187,279.53, 280,927.50 and 54,173.25

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Solution

The fourth proportional to 187,279.53, 280,927.50 and 54,173.25 is: 81,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,279.53 : 280,927.50 = 54,173.25 : x
  2. Step 2: Convert to fraction form
    187,279.53/280,927.50 = 54,173.25/x
  3. Step 3: Cross multiply
    187,279.53x = 280,927.50 × 54,173.25
  4. Step 4: Simplify right side
    187,279.53x = 15,218,755,689.38
  5. Step 5: Solve for x
    x = 15,218,755,689.38/187,279.53
  6. Step 6: Final answer
    x = 81,262.25

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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.