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Finding the Fourth Proportional to 96,015, 132,479.42 and 55,705.38

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Solution

The fourth proportional to 96,015, 132,479.42 and 55,705.38 is: 76,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,015 : 132,479.42 = 55,705.38 : x
  2. Step 2: Convert to fraction form
    96,015/132,479.42 = 55,705.38/x
  3. Step 3: Cross multiply
    96,015x = 132,479.42 × 55,705.38
  4. Step 4: Simplify right side
    96,015x = 7,379,816,433.28
  5. Step 5: Solve for x
    x = 7,379,816,433.28/96,015
  6. Step 6: Final answer
    x = 76,861.08

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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.