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Finding the Fourth Proportional to 79,773.68, 110,087.70 and 43,475.13

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Solution

The fourth proportional to 79,773.68, 110,087.70 and 43,475.13 is: 59,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,773.68 : 110,087.70 = 43,475.13 : x
  2. Step 2: Convert to fraction form
    79,773.68/110,087.70 = 43,475.13/x
  3. Step 3: Cross multiply
    79,773.68x = 110,087.70 × 43,475.13
  4. Step 4: Simplify right side
    79,773.68x = 4,786,076,905.87
  5. Step 5: Solve for x
    x = 4,786,076,905.87/79,773.68
  6. Step 6: Final answer
    x = 59,995.69

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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.