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Finding the Fourth Proportional to 73,854.32, 101,884.08 and 43,619.48

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Solution

The fourth proportional to 73,854.32, 101,884.08 and 43,619.48 is: 60,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,854.32 : 101,884.08 = 43,619.48 : x
  2. Step 2: Convert to fraction form
    73,854.32/101,884.08 = 43,619.48/x
  3. Step 3: Cross multiply
    73,854.32x = 101,884.08 × 43,619.48
  4. Step 4: Simplify right side
    73,854.32x = 4,444,130,589.88
  5. Step 5: Solve for x
    x = 4,444,130,589.88/73,854.32
  6. Step 6: Final answer
    x = 60,174.28

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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.