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Finding the Fourth Proportional to 79,807.67, 110,055.67 and 67,741.10

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Solution

The fourth proportional to 79,807.67, 110,055.67 and 67,741.10 is: 93,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,807.67 : 110,055.67 = 67,741.10 : x
  2. Step 2: Convert to fraction form
    79,807.67/110,055.67 = 67,741.10/x
  3. Step 3: Cross multiply
    79,807.67x = 110,055.67 × 67,741.10
  4. Step 4: Simplify right side
    79,807.67x = 7,455,292,147.04
  5. Step 5: Solve for x
    x = 7,455,292,147.04/79,807.67
  6. Step 6: Final answer
    x = 93,415.73

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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.