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Finding the Fourth Proportional to 82,124.10, 123,186.15 and 44,701.80

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Solution

The fourth proportional to 82,124.10, 123,186.15 and 44,701.80 is: 67,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,124.10 : 123,186.15 = 44,701.80 : x
  2. Step 2: Convert to fraction form
    82,124.10/123,186.15 = 44,701.80/x
  3. Step 3: Cross multiply
    82,124.10x = 123,186.15 × 44,701.80
  4. Step 4: Simplify right side
    82,124.10x = 5,506,642,640.07
  5. Step 5: Solve for x
    x = 5,506,642,640.07/82,124.10
  6. Step 6: Final answer
    x = 67,052.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.