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Finding the Fourth Proportional to 64,201.88, 88,610.76 and 43,017.95

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Solution

The fourth proportional to 64,201.88, 88,610.76 and 43,017.95 is: 59,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,201.88 : 88,610.76 = 43,017.95 : x
  2. Step 2: Convert to fraction form
    64,201.88/88,610.76 = 43,017.95/x
  3. Step 3: Cross multiply
    64,201.88x = 88,610.76 × 43,017.95
  4. Step 4: Simplify right side
    64,201.88x = 3,811,853,464.67
  5. Step 5: Solve for x
    x = 3,811,853,464.67/64,201.88
  6. Step 6: Final answer
    x = 59,372.92

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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.