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Finding the Fourth Proportional to 79,073.01, 109,122.12 and 43,266.15

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Solution

The fourth proportional to 79,073.01, 109,122.12 and 43,266.15 is: 59,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,073.01 : 109,122.12 = 43,266.15 : x
  2. Step 2: Convert to fraction form
    79,073.01/109,122.12 = 43,266.15/x
  3. Step 3: Cross multiply
    79,073.01x = 109,122.12 × 43,266.15
  4. Step 4: Simplify right side
    79,073.01x = 4,721,294,012.24
  5. Step 5: Solve for x
    x = 4,721,294,012.24/79,073.01
  6. Step 6: Final answer
    x = 59,708.03

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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.