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Finding the Fourth Proportional to 193,956.24, 267,663.24 and 113,390.64

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Solution

The fourth proportional to 193,956.24, 267,663.24 and 113,390.64 is: 156,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,956.24 : 267,663.24 = 113,390.64 : x
  2. Step 2: Convert to fraction form
    193,956.24/267,663.24 = 113,390.64/x
  3. Step 3: Cross multiply
    193,956.24x = 267,663.24 × 113,390.64
  4. Step 4: Simplify right side
    193,956.24x = 30,350,506,088.07
  5. Step 5: Solve for x
    x = 30,350,506,088.07/193,956.24
  6. Step 6: Final answer
    x = 156,481.20

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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.