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Finding the Fourth Proportional to 243,050.88, 364,660.20 and 100,972.47

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Solution

The fourth proportional to 243,050.88, 364,660.20 and 100,972.47 is: 151,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,050.88 : 364,660.20 = 100,972.47 : x
  2. Step 2: Convert to fraction form
    243,050.88/364,660.20 = 100,972.47/x
  3. Step 3: Cross multiply
    243,050.88x = 364,660.20 × 100,972.47
  4. Step 4: Simplify right side
    243,050.88x = 36,820,641,104.69
  5. Step 5: Solve for x
    x = 36,820,641,104.69/243,050.88
  6. Step 6: Final answer
    x = 151,493.55

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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.