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Finding the Fourth Proportional to 79,808.46, 110,136.42 and 43,999.74

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Solution

The fourth proportional to 79,808.46, 110,136.42 and 43,999.74 is: 60,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808.46 : 110,136.42 = 43,999.74 : x
  2. Step 2: Convert to fraction form
    79,808.46/110,136.42 = 43,999.74/x
  3. Step 3: Cross multiply
    79,808.46x = 110,136.42 × 43,999.74
  4. Step 4: Simplify right side
    79,808.46x = 4,845,973,844.53
  5. Step 5: Solve for x
    x = 4,845,973,844.53/79,808.46
  6. Step 6: Final answer
    x = 60,720.05

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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.