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Finding the Fourth Proportional to 232,655.59, 321,049.85 and 130,678.29

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Solution

The fourth proportional to 232,655.59, 321,049.85 and 130,678.29 is: 180,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,655.59 : 321,049.85 = 130,678.29 : x
  2. Step 2: Convert to fraction form
    232,655.59/321,049.85 = 130,678.29/x
  3. Step 3: Cross multiply
    232,655.59x = 321,049.85 × 130,678.29
  4. Step 4: Simplify right side
    232,655.59x = 41,954,244,949.01
  5. Step 5: Solve for x
    x = 41,954,244,949.01/232,655.59
  6. Step 6: Final answer
    x = 180,327.69

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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.