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Finding the Fourth Proportional to 126,041.88, 173,941.50 and 69,456.90

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Solution

The fourth proportional to 126,041.88, 173,941.50 and 69,456.90 is: 95,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,041.88 : 173,941.50 = 69,456.90 : x
  2. Step 2: Convert to fraction form
    126,041.88/173,941.50 = 69,456.90/x
  3. Step 3: Cross multiply
    126,041.88x = 173,941.50 × 69,456.90
  4. Step 4: Simplify right side
    126,041.88x = 12,081,437,371.35
  5. Step 5: Solve for x
    x = 12,081,437,371.35/126,041.88
  6. Step 6: Final answer
    x = 95,852.56

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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.