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Finding the Fourth Proportional to 92,354.66, 127,449.47 and 49,913.22

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Solution

The fourth proportional to 92,354.66, 127,449.47 and 49,913.22 is: 68,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,354.66 : 127,449.47 = 49,913.22 : x
  2. Step 2: Convert to fraction form
    92,354.66/127,449.47 = 49,913.22/x
  3. Step 3: Cross multiply
    92,354.66x = 127,449.47 × 49,913.22
  4. Step 4: Simplify right side
    92,354.66x = 6,361,413,559.78
  5. Step 5: Solve for x
    x = 6,361,413,559.78/92,354.66
  6. Step 6: Final answer
    x = 68,880.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.