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Finding the Fourth Proportional to 118,159.76, 163,094.20 and 67,199.96

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Solution

The fourth proportional to 118,159.76, 163,094.20 and 67,199.96 is: 92,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,159.76 : 163,094.20 = 67,199.96 : x
  2. Step 2: Convert to fraction form
    118,159.76/163,094.20 = 67,199.96/x
  3. Step 3: Cross multiply
    118,159.76x = 163,094.20 × 67,199.96
  4. Step 4: Simplify right side
    118,159.76x = 10,959,923,716.23
  5. Step 5: Solve for x
    x = 10,959,923,716.23/118,159.76
  6. Step 6: Final answer
    x = 92,755.13

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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.