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Finding the Fourth Proportional to 117,512.76, 162,169.55 and 63,797.79

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Solution

The fourth proportional to 117,512.76, 162,169.55 and 63,797.79 is: 88,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,512.76 : 162,169.55 = 63,797.79 : x
  2. Step 2: Convert to fraction form
    117,512.76/162,169.55 = 63,797.79/x
  3. Step 3: Cross multiply
    117,512.76x = 162,169.55 × 63,797.79
  4. Step 4: Simplify right side
    117,512.76x = 10,346,058,895.29
  5. Step 5: Solve for x
    x = 10,346,058,895.29/117,512.76
  6. Step 6: Final answer
    x = 88,042.00

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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.