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Finding the Fourth Proportional to 247,259.81, 341,218.54 and 134,082.65

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Solution

The fourth proportional to 247,259.81, 341,218.54 and 134,082.65 is: 185,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,259.81 : 341,218.54 = 134,082.65 : x
  2. Step 2: Convert to fraction form
    247,259.81/341,218.54 = 134,082.65/x
  3. Step 3: Cross multiply
    247,259.81x = 341,218.54 × 134,082.65
  4. Step 4: Simplify right side
    247,259.81x = 45,751,486,072.33
  5. Step 5: Solve for x
    x = 45,751,486,072.33/247,259.81
  6. Step 6: Final answer
    x = 185,034.06

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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.