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Finding the Fourth Proportional to 79,275.58, 109,400.63 and 43,466.22

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Solution

The fourth proportional to 79,275.58, 109,400.63 and 43,466.22 is: 59,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,275.58 : 109,400.63 = 43,466.22 : x
  2. Step 2: Convert to fraction form
    79,275.58/109,400.63 = 43,466.22/x
  3. Step 3: Cross multiply
    79,275.58x = 109,400.63 × 43,466.22
  4. Step 4: Simplify right side
    79,275.58x = 4,755,231,634.39
  5. Step 5: Solve for x
    x = 4,755,231,634.39/79,275.58
  6. Step 6: Final answer
    x = 59,983.56

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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.