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Finding the Fourth Proportional to 193,785.60, 267,426.72 and 108,897.60

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Solution

The fourth proportional to 193,785.60, 267,426.72 and 108,897.60 is: 150,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,785.60 : 267,426.72 = 108,897.60 : x
  2. Step 2: Convert to fraction form
    193,785.60/267,426.72 = 108,897.60/x
  3. Step 3: Cross multiply
    193,785.60x = 267,426.72 × 108,897.60
  4. Step 4: Simplify right side
    193,785.60x = 29,122,127,983.87
  5. Step 5: Solve for x
    x = 29,122,127,983.87/193,785.60
  6. Step 6: Final answer
    x = 150,280.14

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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.