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Finding the Fourth Proportional to 84,900.92, 127,184.96 and 49,287.54

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Solution

The fourth proportional to 84,900.92, 127,184.96 and 49,287.54 is: 73,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,900.92 : 127,184.96 = 49,287.54 : x
  2. Step 2: Convert to fraction form
    84,900.92/127,184.96 = 49,287.54/x
  3. Step 3: Cross multiply
    84,900.92x = 127,184.96 × 49,287.54
  4. Step 4: Simplify right side
    84,900.92x = 6,268,633,803.40
  5. Step 5: Solve for x
    x = 6,268,633,803.40/84,900.92
  6. Step 6: Final answer
    x = 73,834.70

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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.