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Finding the Fourth Proportional to 80,041.33, 120,068.79 and 23,877.82

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Solution

The fourth proportional to 80,041.33, 120,068.79 and 23,877.82 is: 35,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,041.33 : 120,068.79 = 23,877.82 : x
  2. Step 2: Convert to fraction form
    80,041.33/120,068.79 = 23,877.82/x
  3. Step 3: Cross multiply
    80,041.33x = 120,068.79 × 23,877.82
  4. Step 4: Simplify right side
    80,041.33x = 2,866,980,955.24
  5. Step 5: Solve for x
    x = 2,866,980,955.24/80,041.33
  6. Step 6: Final answer
    x = 35,818.76

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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.