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Finding the Fourth Proportional to 124,877.76, 187,306.11 and 53,797.56

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Solution

The fourth proportional to 124,877.76, 187,306.11 and 53,797.56 is: 80,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,877.76 : 187,306.11 = 53,797.56 : x
  2. Step 2: Convert to fraction form
    124,877.76/187,306.11 = 53,797.56/x
  3. Step 3: Cross multiply
    124,877.76x = 187,306.11 × 53,797.56
  4. Step 4: Simplify right side
    124,877.76x = 10,076,611,691.09
  5. Step 5: Solve for x
    x = 10,076,611,691.09/124,877.76
  6. Step 6: Final answer
    x = 80,691.80

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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.