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Finding the Fourth Proportional to 248,287.59, 342,811.35 and 193,901.13

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Solution

The fourth proportional to 248,287.59, 342,811.35 and 193,901.13 is: 267,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,287.59 : 342,811.35 = 193,901.13 : x
  2. Step 2: Convert to fraction form
    248,287.59/342,811.35 = 193,901.13/x
  3. Step 3: Cross multiply
    248,287.59x = 342,811.35 × 193,901.13
  4. Step 4: Simplify right side
    248,287.59x = 66,471,508,141.83
  5. Step 5: Solve for x
    x = 66,471,508,141.83/248,287.59
  6. Step 6: Final answer
    x = 267,719.82

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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.