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Finding the Fourth Proportional to 225,822.74, 311,649.17 and 130,335.57

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Solution

The fourth proportional to 225,822.74, 311,649.17 and 130,335.57 is: 179,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,822.74 : 311,649.17 = 130,335.57 : x
  2. Step 2: Convert to fraction form
    225,822.74/311,649.17 = 130,335.57/x
  3. Step 3: Cross multiply
    225,822.74x = 311,649.17 × 130,335.57
  4. Step 4: Simplify right side
    225,822.74x = 40,618,971,560.30
  5. Step 5: Solve for x
    x = 40,618,971,560.30/225,822.74
  6. Step 6: Final answer
    x = 179,871.05

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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.