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Finding the Fourth Proportional to 121,800.98, 182,654.66 and 41,824.08

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Solution

The fourth proportional to 121,800.98, 182,654.66 and 41,824.08 is: 62,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,800.98 : 182,654.66 = 41,824.08 : x
  2. Step 2: Convert to fraction form
    121,800.98/182,654.66 = 41,824.08/x
  3. Step 3: Cross multiply
    121,800.98x = 182,654.66 × 41,824.08
  4. Step 4: Simplify right side
    121,800.98x = 7,639,363,216.77
  5. Step 5: Solve for x
    x = 7,639,363,216.77/121,800.98
  6. Step 6: Final answer
    x = 62,720.05

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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.