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Finding the Fourth Proportional to 67,807.55, 101,718.09 and 25,124.43

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Solution

The fourth proportional to 67,807.55, 101,718.09 and 25,124.43 is: 37,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,807.55 : 101,718.09 = 25,124.43 : x
  2. Step 2: Convert to fraction form
    67,807.55/101,718.09 = 25,124.43/x
  3. Step 3: Cross multiply
    67,807.55x = 101,718.09 × 25,124.43
  4. Step 4: Simplify right side
    67,807.55x = 2,555,609,031.94
  5. Step 5: Solve for x
    x = 2,555,609,031.94/67,807.55
  6. Step 6: Final answer
    x = 37,689.15

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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.