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Finding the Fourth Proportional to 250,889.52, 346,227.36 and 141,991.88

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Solution

The fourth proportional to 250,889.52, 346,227.36 and 141,991.88 is: 195,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,889.52 : 346,227.36 = 141,991.88 : x
  2. Step 2: Convert to fraction form
    250,889.52/346,227.36 = 141,991.88/x
  3. Step 3: Cross multiply
    250,889.52x = 346,227.36 × 141,991.88
  4. Step 4: Simplify right side
    250,889.52x = 49,161,473,753.84
  5. Step 5: Solve for x
    x = 49,161,473,753.84/250,889.52
  6. Step 6: Final answer
    x = 195,948.69

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1.5x scale

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.