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Finding the Fourth Proportional to 215,182, 296,951.16 and 125,758

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Solution

The fourth proportional to 215,182, 296,951.16 and 125,758 is: 173,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,182 : 296,951.16 = 125,758 : x
  2. Step 2: Convert to fraction form
    215,182/296,951.16 = 125,758/x
  3. Step 3: Cross multiply
    215,182x = 296,951.16 × 125,758
  4. Step 4: Simplify right side
    215,182x = 37,343,983,979.28
  5. Step 5: Solve for x
    x = 37,343,983,979.28/215,182
  6. Step 6: Final answer
    x = 173,546.04

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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.