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Finding the Fourth Proportional to 121,740.88, 182,620.49 and 36,344.98

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Solution

The fourth proportional to 121,740.88, 182,620.49 and 36,344.98 is: 54,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,740.88 : 182,620.49 = 36,344.98 : x
  2. Step 2: Convert to fraction form
    121,740.88/182,620.49 = 36,344.98/x
  3. Step 3: Cross multiply
    121,740.88x = 182,620.49 × 36,344.98
  4. Step 4: Simplify right side
    121,740.88x = 6,637,338,056.64
  5. Step 5: Solve for x
    x = 6,637,338,056.64/121,740.88
  6. Step 6: Final answer
    x = 54,520.21

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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.