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Finding the Fourth Proportional to 225,852.92, 311,691 and 125,250.92

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Solution

The fourth proportional to 225,852.92, 311,691 and 125,250.92 is: 172,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,852.92 : 311,691 = 125,250.92 : x
  2. Step 2: Convert to fraction form
    225,852.92/311,691 = 125,250.92/x
  3. Step 3: Cross multiply
    225,852.92x = 311,691 × 125,250.92
  4. Step 4: Simplify right side
    225,852.92x = 39,039,584,505.72
  5. Step 5: Solve for x
    x = 39,039,584,505.72/225,852.92
  6. Step 6: Final answer
    x = 172,854.02

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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.