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Finding the Fourth Proportional to 88,902.71, 122,687.87 and 50,661.44

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Solution

The fourth proportional to 88,902.71, 122,687.87 and 50,661.44 is: 69,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,902.71 : 122,687.87 = 50,661.44 : x
  2. Step 2: Convert to fraction form
    88,902.71/122,687.87 = 50,661.44/x
  3. Step 3: Cross multiply
    88,902.71x = 122,687.87 × 50,661.44
  4. Step 4: Simplify right side
    88,902.71x = 6,215,543,424.64
  5. Step 5: Solve for x
    x = 6,215,543,424.64/88,902.71
  6. Step 6: Final answer
    x = 69,914.00

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1.5x scale

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.