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Finding the Fourth Proportional to 116,608.38, 160,931.79 and 68,866.17

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Solution

The fourth proportional to 116,608.38, 160,931.79 and 68,866.17 is: 95,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,608.38 : 160,931.79 = 68,866.17 : x
  2. Step 2: Convert to fraction form
    116,608.38/160,931.79 = 68,866.17/x
  3. Step 3: Cross multiply
    116,608.38x = 160,931.79 × 68,866.17
  4. Step 4: Simplify right side
    116,608.38x = 11,082,756,008.54
  5. Step 5: Solve for x
    x = 11,082,756,008.54/116,608.38
  6. Step 6: Final answer
    x = 95,042.53

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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.