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Finding the Fourth Proportional to 181,170.32, 270,535.48 and 147,956.28

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Solution

The fourth proportional to 181,170.32, 270,535.48 and 147,956.28 is: 220,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,170.32 : 270,535.48 = 147,956.28 : x
  2. Step 2: Convert to fraction form
    181,170.32/270,535.48 = 147,956.28/x
  3. Step 3: Cross multiply
    181,170.32x = 270,535.48 × 147,956.28
  4. Step 4: Simplify right side
    181,170.32x = 40,027,423,228.81
  5. Step 5: Solve for x
    x = 40,027,423,228.81/181,170.32
  6. Step 6: Final answer
    x = 220,938.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.