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Finding the Fourth Proportional to 247,182.25, 341,147.88 and 156,546.64

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Solution

The fourth proportional to 247,182.25, 341,147.88 and 156,546.64 is: 216,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,182.25 : 341,147.88 = 156,546.64 : x
  2. Step 2: Convert to fraction form
    247,182.25/341,147.88 = 156,546.64/x
  3. Step 3: Cross multiply
    247,182.25x = 341,147.88 × 156,546.64
  4. Step 4: Simplify right side
    247,182.25x = 53,405,554,357.12
  5. Step 5: Solve for x
    x = 53,405,554,357.12/247,182.25
  6. Step 6: Final answer
    x = 216,057.40

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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.