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Finding the Fourth Proportional to 242,562.80, 363,844.20 and 124,464.80

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Solution

The fourth proportional to 242,562.80, 363,844.20 and 124,464.80 is: 186,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,562.80 : 363,844.20 = 124,464.80 : x
  2. Step 2: Convert to fraction form
    242,562.80/363,844.20 = 124,464.80/x
  3. Step 3: Cross multiply
    242,562.80x = 363,844.20 × 124,464.80
  4. Step 4: Simplify right side
    242,562.80x = 45,285,795,584.16
  5. Step 5: Solve for x
    x = 45,285,795,584.16/242,562.80
  6. Step 6: Final answer
    x = 186,697.20

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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.