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Finding the Fourth Proportional to 79,803.70, 110,139.08 and 45,822.83

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Solution

The fourth proportional to 79,803.70, 110,139.08 and 45,822.83 is: 63,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,803.70 : 110,139.08 = 45,822.83 : x
  2. Step 2: Convert to fraction form
    79,803.70/110,139.08 = 45,822.83/x
  3. Step 3: Cross multiply
    79,803.70x = 110,139.08 × 45,822.83
  4. Step 4: Simplify right side
    79,803.70x = 5,046,883,559.39
  5. Step 5: Solve for x
    x = 5,046,883,559.39/79,803.70
  6. Step 6: Final answer
    x = 63,241.22

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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.