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Finding the Fourth Proportional to 111,209.24, 153,479.73 and 63,469.73

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Solution

The fourth proportional to 111,209.24, 153,479.73 and 63,469.73 is: 87,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,209.24 : 153,479.73 = 63,469.73 : x
  2. Step 2: Convert to fraction form
    111,209.24/153,479.73 = 63,469.73/x
  3. Step 3: Cross multiply
    111,209.24x = 153,479.73 × 63,469.73
  4. Step 4: Simplify right side
    111,209.24x = 9,741,317,023.57
  5. Step 5: Solve for x
    x = 9,741,317,023.57/111,209.24
  6. Step 6: Final answer
    x = 87,594.49

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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.