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Finding the Fourth Proportional to 242,050.80, 363,076.20 and 231,812.40

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Solution

The fourth proportional to 242,050.80, 363,076.20 and 231,812.40 is: 347,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,050.80 : 363,076.20 = 231,812.40 : x
  2. Step 2: Convert to fraction form
    242,050.80/363,076.20 = 231,812.40/x
  3. Step 3: Cross multiply
    242,050.80x = 363,076.20 × 231,812.40
  4. Step 4: Simplify right side
    242,050.80x = 84,165,565,304.88
  5. Step 5: Solve for x
    x = 84,165,565,304.88/242,050.80
  6. Step 6: Final answer
    x = 347,718.60

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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.