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Finding the Fourth Proportional to 109,630.40, 164,445.56 and 26,524.40

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Solution

The fourth proportional to 109,630.40, 164,445.56 and 26,524.40 is: 39,786.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,630.40 : 164,445.56 = 26,524.40 : x
  2. Step 2: Convert to fraction form
    109,630.40/164,445.56 = 26,524.40/x
  3. Step 3: Cross multiply
    109,630.40x = 164,445.56 × 26,524.40
  4. Step 4: Simplify right side
    109,630.40x = 4,361,819,811.66
  5. Step 5: Solve for x
    x = 4,361,819,811.66/109,630.40
  6. Step 6: Final answer
    x = 39,786.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.