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Finding the Fourth Proportional to 225,856.71, 338,193.23 and 158,934.51

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Solution

The fourth proportional to 225,856.71, 338,193.23 and 158,934.51 is: 237,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,856.71 : 338,193.23 = 158,934.51 : x
  2. Step 2: Convert to fraction form
    225,856.71/338,193.23 = 158,934.51/x
  3. Step 3: Cross multiply
    225,856.71x = 338,193.23 × 158,934.51
  4. Step 4: Simplify right side
    225,856.71x = 53,750,574,500.69
  5. Step 5: Solve for x
    x = 53,750,574,500.69/225,856.71
  6. Step 6: Final answer
    x = 237,985.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.