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Finding the Fourth Proportional to 79,701.67, 110,041.23 and 49,532.01

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Solution

The fourth proportional to 79,701.67, 110,041.23 and 49,532.01 is: 68,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,701.67 : 110,041.23 = 49,532.01 : x
  2. Step 2: Convert to fraction form
    79,701.67/110,041.23 = 49,532.01/x
  3. Step 3: Cross multiply
    79,701.67x = 110,041.23 × 49,532.01
  4. Step 4: Simplify right side
    79,701.67x = 5,450,563,077.86
  5. Step 5: Solve for x
    x = 5,450,563,077.86/79,701.67
  6. Step 6: Final answer
    x = 68,387.06

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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.