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Finding the Fourth Proportional to 79,807.88, 110,131.85 and 43,995.76

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Solution

The fourth proportional to 79,807.88, 110,131.85 and 43,995.76 is: 60,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,807.88 : 110,131.85 = 43,995.76 : x
  2. Step 2: Convert to fraction form
    79,807.88/110,131.85 = 43,995.76/x
  3. Step 3: Cross multiply
    79,807.88x = 110,131.85 × 43,995.76
  4. Step 4: Simplify right side
    79,807.88x = 4,845,334,275.62
  5. Step 5: Solve for x
    x = 4,845,334,275.62/79,807.88
  6. Step 6: Final answer
    x = 60,712.48

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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.