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Finding the Fourth Proportional to 121,990.93, 182,914.11 and 37,726.15

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Solution

The fourth proportional to 121,990.93, 182,914.11 and 37,726.15 is: 56,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,990.93 : 182,914.11 = 37,726.15 : x
  2. Step 2: Convert to fraction form
    121,990.93/182,914.11 = 37,726.15/x
  3. Step 3: Cross multiply
    121,990.93x = 182,914.11 × 37,726.15
  4. Step 4: Simplify right side
    121,990.93x = 6,900,645,150.98
  5. Step 5: Solve for x
    x = 6,900,645,150.98/121,990.93
  6. Step 6: Final answer
    x = 56,566.87

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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.