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Finding the Fourth Proportional to 242,544.96, 363,923.28 and 84,886.56

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Solution

The fourth proportional to 242,544.96, 363,923.28 and 84,886.56 is: 127,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,544.96 : 363,923.28 = 84,886.56 : x
  2. Step 2: Convert to fraction form
    242,544.96/363,923.28 = 84,886.56/x
  3. Step 3: Cross multiply
    242,544.96x = 363,923.28 × 84,886.56
  4. Step 4: Simplify right side
    242,544.96x = 30,892,195,343.12
  5. Step 5: Solve for x
    x = 30,892,195,343.12/242,544.96
  6. Step 6: Final answer
    x = 127,366.88

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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.