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Finding the Fourth Proportional to 117,674.98, 162,391.66 and 63,959.88

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Solution

The fourth proportional to 117,674.98, 162,391.66 and 63,959.88 is: 88,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,674.98 : 162,391.66 = 63,959.88 : x
  2. Step 2: Convert to fraction form
    117,674.98/162,391.66 = 63,959.88/x
  3. Step 3: Cross multiply
    117,674.98x = 162,391.66 × 63,959.88
  4. Step 4: Simplify right side
    117,674.98x = 10,386,551,086.60
  5. Step 5: Solve for x
    x = 10,386,551,086.60/117,674.98
  6. Step 6: Final answer
    x = 88,264.74

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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.