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Finding the Fourth Proportional to 80,271.95, 110,776.95 and 48,039.89

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Solution

The fourth proportional to 80,271.95, 110,776.95 and 48,039.89 is: 66,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,271.95 : 110,776.95 = 48,039.89 : x
  2. Step 2: Convert to fraction form
    80,271.95/110,776.95 = 48,039.89/x
  3. Step 3: Cross multiply
    80,271.95x = 110,776.95 × 48,039.89
  4. Step 4: Simplify right side
    80,271.95x = 5,321,711,938.65
  5. Step 5: Solve for x
    x = 5,321,711,938.65/80,271.95
  6. Step 6: Final answer
    x = 66,296.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.