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Finding the Fourth Proportional to 73,577.81, 101,540.72 and 43,364.41

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Solution

The fourth proportional to 73,577.81, 101,540.72 and 43,364.41 is: 59,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,577.81 : 101,540.72 = 43,364.41 : x
  2. Step 2: Convert to fraction form
    73,577.81/101,540.72 = 43,364.41/x
  3. Step 3: Cross multiply
    73,577.81x = 101,540.72 × 43,364.41
  4. Step 4: Simplify right side
    73,577.81x = 4,403,252,943.10
  5. Step 5: Solve for x
    x = 4,403,252,943.10/73,577.81
  6. Step 6: Final answer
    x = 59,844.85

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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.