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Finding the Fourth Proportional to 139,836.60, 193,046.04 and 94,752.84

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Solution

The fourth proportional to 139,836.60, 193,046.04 and 94,752.84 is: 130,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,836.60 : 193,046.04 = 94,752.84 : x
  2. Step 2: Convert to fraction form
    139,836.60/193,046.04 = 94,752.84/x
  3. Step 3: Cross multiply
    139,836.60x = 193,046.04 × 94,752.84
  4. Step 4: Simplify right side
    139,836.60x = 18,291,660,540.75
  5. Step 5: Solve for x
    x = 18,291,660,540.75/139,836.60
  6. Step 6: Final answer
    x = 130,807.39

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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.