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Finding the Fourth Proportional to 83,004.54, 124,506.54 and 49,734.60

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Solution

The fourth proportional to 83,004.54, 124,506.54 and 49,734.60 is: 74,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,004.54 : 124,506.54 = 49,734.60 : x
  2. Step 2: Convert to fraction form
    83,004.54/124,506.54 = 49,734.60/x
  3. Step 3: Cross multiply
    83,004.54x = 124,506.54 × 49,734.60
  4. Step 4: Simplify right side
    83,004.54x = 6,192,282,964.28
  5. Step 5: Solve for x
    x = 6,192,282,964.28/83,004.54
  6. Step 6: Final answer
    x = 74,601.74

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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.