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Finding the Fourth Proportional to 113,759.88, 156,993.49 and 63,458.88

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Solution

The fourth proportional to 113,759.88, 156,993.49 and 63,458.88 is: 87,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,759.88 : 156,993.49 = 63,458.88 : x
  2. Step 2: Convert to fraction form
    113,759.88/156,993.49 = 63,458.88/x
  3. Step 3: Cross multiply
    113,759.88x = 156,993.49 × 63,458.88
  4. Step 4: Simplify right side
    113,759.88x = 9,962,631,042.69
  5. Step 5: Solve for x
    x = 9,962,631,042.69/113,759.88
  6. Step 6: Final answer
    x = 87,575.96

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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.