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Finding the Fourth Proportional to 84,884.97, 127,152.50 and 49,718.01

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Solution

The fourth proportional to 84,884.97, 127,152.50 and 49,718.01 is: 74,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,884.97 : 127,152.50 = 49,718.01 : x
  2. Step 2: Convert to fraction form
    84,884.97/127,152.50 = 49,718.01/x
  3. Step 3: Cross multiply
    84,884.97x = 127,152.50 × 49,718.01
  4. Step 4: Simplify right side
    84,884.97x = 6,321,769,017.93
  5. Step 5: Solve for x
    x = 6,321,769,017.93/84,884.97
  6. Step 6: Final answer
    x = 74,474.54

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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.