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Finding the Fourth Proportional to 85,298.88, 127,963.44 and 41,005.92

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Solution

The fourth proportional to 85,298.88, 127,963.44 and 41,005.92 is: 61,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298.88 : 127,963.44 = 41,005.92 : x
  2. Step 2: Convert to fraction form
    85,298.88/127,963.44 = 41,005.92/x
  3. Step 3: Cross multiply
    85,298.88x = 127,963.44 × 41,005.92
  4. Step 4: Simplify right side
    85,298.88x = 5,247,258,583.56
  5. Step 5: Solve for x
    x = 5,247,258,583.56/85,298.88
  6. Step 6: Final answer
    x = 61,516.15

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1.5x scale

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.