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Finding the Fourth Proportional to 64,206.36, 96,294.42 and 36,138.36

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Solution

The fourth proportional to 64,206.36, 96,294.42 and 36,138.36 is: 54,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,206.36 : 96,294.42 = 36,138.36 : x
  2. Step 2: Convert to fraction form
    64,206.36/96,294.42 = 36,138.36/x
  3. Step 3: Cross multiply
    64,206.36x = 96,294.42 × 36,138.36
  4. Step 4: Simplify right side
    64,206.36x = 3,479,922,415.95
  5. Step 5: Solve for x
    x = 3,479,922,415.95/64,206.36
  6. Step 6: Final answer
    x = 54,199.03

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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.