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Finding the Fourth Proportional to 79,717.01, 110,017.25 and 59,538.88

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Solution

The fourth proportional to 79,717.01, 110,017.25 and 59,538.88 is: 82,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717.01 : 110,017.25 = 59,538.88 : x
  2. Step 2: Convert to fraction form
    79,717.01/110,017.25 = 59,538.88/x
  3. Step 3: Cross multiply
    79,717.01x = 110,017.25 × 59,538.88
  4. Step 4: Simplify right side
    79,717.01x = 6,550,303,496.21
  5. Step 5: Solve for x
    x = 6,550,303,496.21/79,717.01
  6. Step 6: Final answer
    x = 82,169.46

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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.