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Finding the Fourth Proportional to 125,975.49, 173,846.17 and 69,386.87

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Solution

The fourth proportional to 125,975.49, 173,846.17 and 69,386.87 is: 95,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,975.49 : 173,846.17 = 69,386.87 : x
  2. Step 2: Convert to fraction form
    125,975.49/173,846.17 = 69,386.87/x
  3. Step 3: Cross multiply
    125,975.49x = 173,846.17 × 69,386.87
  4. Step 4: Simplify right side
    125,975.49x = 12,062,641,597.79
  5. Step 5: Solve for x
    x = 12,062,641,597.79/125,975.49
  6. Step 6: Final answer
    x = 95,753.88

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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.