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Finding the Fourth Proportional to 67,807.75, 101,711.64 and 26,254.75

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Solution

The fourth proportional to 67,807.75, 101,711.64 and 26,254.75 is: 39,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,807.75 : 101,711.64 = 26,254.75 : x
  2. Step 2: Convert to fraction form
    67,807.75/101,711.64 = 26,254.75/x
  3. Step 3: Cross multiply
    67,807.75x = 101,711.64 × 26,254.75
  4. Step 4: Simplify right side
    67,807.75x = 2,670,413,680.29
  5. Step 5: Solve for x
    x = 2,670,413,680.29/67,807.75
  6. Step 6: Final answer
    x = 39,382.13

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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.