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Finding the Fourth Proportional to 84,704.48, 116,892.26 and 46,978.73

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Solution

The fourth proportional to 84,704.48, 116,892.26 and 46,978.73 is: 64,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,704.48 : 116,892.26 = 46,978.73 : x
  2. Step 2: Convert to fraction form
    84,704.48/116,892.26 = 46,978.73/x
  3. Step 3: Cross multiply
    84,704.48x = 116,892.26 × 46,978.73
  4. Step 4: Simplify right side
    84,704.48x = 5,491,450,638.57
  5. Step 5: Solve for x
    x = 5,491,450,638.57/84,704.48
  6. Step 6: Final answer
    x = 64,830.70

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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.