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Finding the Fourth Proportional to 79,803.90, 110,124.63 and 43,995.42

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Solution

The fourth proportional to 79,803.90, 110,124.63 and 43,995.42 is: 60,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,803.90 : 110,124.63 = 43,995.42 : x
  2. Step 2: Convert to fraction form
    79,803.90/110,124.63 = 43,995.42/x
  3. Step 3: Cross multiply
    79,803.90x = 110,124.63 × 43,995.42
  4. Step 4: Simplify right side
    79,803.90x = 4,844,979,349.19
  5. Step 5: Solve for x
    x = 4,844,979,349.19/79,803.90
  6. Step 6: Final answer
    x = 60,711.06

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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.