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Finding the Fourth Proportional to 117,459.20, 175,897.20 and 94,131.20

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Solution

The fourth proportional to 117,459.20, 175,897.20 and 94,131.20 is: 140,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,459.20 : 175,897.20 = 94,131.20 : x
  2. Step 2: Convert to fraction form
    117,459.20/175,897.20 = 94,131.20/x
  3. Step 3: Cross multiply
    117,459.20x = 175,897.20 × 94,131.20
  4. Step 4: Simplify right side
    117,459.20x = 16,557,414,512.64
  5. Step 5: Solve for x
    x = 16,557,414,512.64/117,459.20
  6. Step 6: Final answer
    x = 140,963.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.