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Finding the Fourth Proportional to 225,553.92, 311,275.52 and 124,952.32

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Solution

The fourth proportional to 225,553.92, 311,275.52 and 124,952.32 is: 172,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,553.92 : 311,275.52 = 124,952.32 : x
  2. Step 2: Convert to fraction form
    225,553.92/311,275.52 = 124,952.32/x
  3. Step 3: Cross multiply
    225,553.92x = 311,275.52 × 124,952.32
  4. Step 4: Simplify right side
    225,553.92x = 38,894,598,383.21
  5. Step 5: Solve for x
    x = 38,894,598,383.21/225,553.92
  6. Step 6: Final answer
    x = 172,440.36

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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.