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Finding the Fourth Proportional to 85,264.92, 117,663.22 and 49,452.68

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Solution

The fourth proportional to 85,264.92, 117,663.22 and 49,452.68 is: 68,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,264.92 : 117,663.22 = 49,452.68 : x
  2. Step 2: Convert to fraction form
    85,264.92/117,663.22 = 49,452.68/x
  3. Step 3: Cross multiply
    85,264.92x = 117,663.22 × 49,452.68
  4. Step 4: Simplify right side
    85,264.92x = 5,818,761,566.43
  5. Step 5: Solve for x
    x = 5,818,761,566.43/85,264.92
  6. Step 6: Final answer
    x = 68,243.32

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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.