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Finding the Fourth Proportional to 79,062.42, 109,043.34 and 59,745.84

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Solution

The fourth proportional to 79,062.42, 109,043.34 and 59,745.84 is: 82,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,062.42 : 109,043.34 = 59,745.84 : x
  2. Step 2: Convert to fraction form
    79,062.42/109,043.34 = 59,745.84/x
  3. Step 3: Cross multiply
    79,062.42x = 109,043.34 × 59,745.84
  4. Step 4: Simplify right side
    79,062.42x = 6,514,885,944.71
  5. Step 5: Solve for x
    x = 6,514,885,944.71/79,062.42
  6. Step 6: Final answer
    x = 82,401.80

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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.