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Finding the Fourth Proportional to 242,487.66, 363,785.76 and 74,022.96

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Solution

The fourth proportional to 242,487.66, 363,785.76 and 74,022.96 is: 111,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,487.66 : 363,785.76 = 74,022.96 : x
  2. Step 2: Convert to fraction form
    242,487.66/363,785.76 = 74,022.96/x
  3. Step 3: Cross multiply
    242,487.66x = 363,785.76 × 74,022.96
  4. Step 4: Simplify right side
    242,487.66x = 26,928,498,761.05
  5. Step 5: Solve for x
    x = 26,928,498,761.05/242,487.66
  6. Step 6: Final answer
    x = 111,051.01

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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.