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Finding the Fourth Proportional to 68,911.32, 95,047.92 and 63,264

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Solution

The fourth proportional to 68,911.32, 95,047.92 and 63,264 is: 87,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,911.32 : 95,047.92 = 63,264 : x
  2. Step 2: Convert to fraction form
    68,911.32/95,047.92 = 63,264/x
  3. Step 3: Cross multiply
    68,911.32x = 95,047.92 × 63,264
  4. Step 4: Simplify right side
    68,911.32x = 6,013,111,610.88
  5. Step 5: Solve for x
    x = 6,013,111,610.88/68,911.32
  6. Step 6: Final answer
    x = 87,258.69

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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.