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Finding the Fourth Proportional to 64,067.70, 96,101.55 and 60,860.10

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Solution

The fourth proportional to 64,067.70, 96,101.55 and 60,860.10 is: 91,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,067.70 : 96,101.55 = 60,860.10 : x
  2. Step 2: Convert to fraction form
    64,067.70/96,101.55 = 60,860.10/x
  3. Step 3: Cross multiply
    64,067.70x = 96,101.55 × 60,860.10
  4. Step 4: Simplify right side
    64,067.70x = 5,848,749,943.16
  5. Step 5: Solve for x
    x = 5,848,749,943.16/64,067.70
  6. Step 6: Final answer
    x = 91,290.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.