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Finding the Fourth Proportional to 177,694.66, 245,218.57 and 101,220.84

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Solution

The fourth proportional to 177,694.66, 245,218.57 and 101,220.84 is: 139,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,694.66 : 245,218.57 = 101,220.84 : x
  2. Step 2: Convert to fraction form
    177,694.66/245,218.57 = 101,220.84/x
  3. Step 3: Cross multiply
    177,694.66x = 245,218.57 × 101,220.84
  4. Step 4: Simplify right side
    177,694.66x = 24,821,229,385.95
  5. Step 5: Solve for x
    x = 24,821,229,385.95/177,694.66
  6. Step 6: Final answer
    x = 139,684.72

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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.