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Finding the Fourth Proportional to 126,049.88, 173,950.65 and 69,461.25

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Solution

The fourth proportional to 126,049.88, 173,950.65 and 69,461.25 is: 95,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,049.88 : 173,950.65 = 69,461.25 : x
  2. Step 2: Convert to fraction form
    126,049.88/173,950.65 = 69,461.25/x
  3. Step 3: Cross multiply
    126,049.88x = 173,950.65 × 69,461.25
  4. Step 4: Simplify right side
    126,049.88x = 12,082,829,587.31
  5. Step 5: Solve for x
    x = 12,082,829,587.31/126,049.88
  6. Step 6: Final answer
    x = 95,857.53

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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.