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Finding the Fourth Proportional to 225,073.40, 337,512.90 and 112,710.20

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Solution

The fourth proportional to 225,073.40, 337,512.90 and 112,710.20 is: 169,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,073.40 : 337,512.90 = 112,710.20 : x
  2. Step 2: Convert to fraction form
    225,073.40/337,512.90 = 112,710.20/x
  3. Step 3: Cross multiply
    225,073.40x = 337,512.90 × 112,710.20
  4. Step 4: Simplify right side
    225,073.40x = 38,041,146,461.58
  5. Step 5: Solve for x
    x = 38,041,146,461.58/225,073.40
  6. Step 6: Final answer
    x = 169,016.63

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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.