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Finding the Fourth Proportional to 79,808.16, 110,136.01 and 43,999.45

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Solution

The fourth proportional to 79,808.16, 110,136.01 and 43,999.45 is: 60,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808.16 : 110,136.01 = 43,999.45 : x
  2. Step 2: Convert to fraction form
    79,808.16/110,136.01 = 43,999.45/x
  3. Step 3: Cross multiply
    79,808.16x = 110,136.01 × 43,999.45
  4. Step 4: Simplify right side
    79,808.16x = 4,845,923,864.33
  5. Step 5: Solve for x
    x = 4,845,923,864.33/79,808.16
  6. Step 6: Final answer
    x = 60,719.66

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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.