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Finding the Fourth Proportional to 118,648.56, 163,794.24 and 68,337.84

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Solution

The fourth proportional to 118,648.56, 163,794.24 and 68,337.84 is: 94,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,648.56 : 163,794.24 = 68,337.84 : x
  2. Step 2: Convert to fraction form
    118,648.56/163,794.24 = 68,337.84/x
  3. Step 3: Cross multiply
    118,648.56x = 163,794.24 × 68,337.84
  4. Step 4: Simplify right side
    118,648.56x = 11,193,344,566.04
  5. Step 5: Solve for x
    x = 11,193,344,566.04/118,648.56
  6. Step 6: Final answer
    x = 94,340.33

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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.