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Finding the Fourth Proportional to 84,610.70, 116,760.22 and 46,369.78

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Solution

The fourth proportional to 84,610.70, 116,760.22 and 46,369.78 is: 63,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,610.70 : 116,760.22 = 46,369.78 : x
  2. Step 2: Convert to fraction form
    84,610.70/116,760.22 = 46,369.78/x
  3. Step 3: Cross multiply
    84,610.70x = 116,760.22 × 46,369.78
  4. Step 4: Simplify right side
    84,610.70x = 5,414,145,714.15
  5. Step 5: Solve for x
    x = 5,414,145,714.15/84,610.70
  6. Step 6: Final answer
    x = 63,988.90

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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.