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Finding the Fourth Proportional to 118,207.54, 163,119.72 and 67,232.66

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Solution

The fourth proportional to 118,207.54, 163,119.72 and 67,232.66 is: 92,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,207.54 : 163,119.72 = 67,232.66 : x
  2. Step 2: Convert to fraction form
    118,207.54/163,119.72 = 67,232.66/x
  3. Step 3: Cross multiply
    118,207.54x = 163,119.72 × 67,232.66
  4. Step 4: Simplify right side
    118,207.54x = 10,966,972,110.58
  5. Step 5: Solve for x
    x = 10,966,972,110.58/118,207.54
  6. Step 6: Final answer
    x = 92,777.26

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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.