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Finding the Fourth Proportional to 116,915.92, 161,305.24 and 65,922.24

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Solution

The fourth proportional to 116,915.92, 161,305.24 and 65,922.24 is: 90,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,915.92 : 161,305.24 = 65,922.24 : x
  2. Step 2: Convert to fraction form
    116,915.92/161,305.24 = 65,922.24/x
  3. Step 3: Cross multiply
    116,915.92x = 161,305.24 × 65,922.24
  4. Step 4: Simplify right side
    116,915.92x = 10,633,602,744.54
  5. Step 5: Solve for x
    x = 10,633,602,744.54/116,915.92
  6. Step 6: Final answer
    x = 90,950.85

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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.