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Finding the Fourth Proportional to 64,781.94, 88,816.37 and 63,601.14

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Solution

The fourth proportional to 64,781.94, 88,816.37 and 63,601.14 is: 87,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,781.94 : 88,816.37 = 63,601.14 : x
  2. Step 2: Convert to fraction form
    64,781.94/88,816.37 = 63,601.14/x
  3. Step 3: Cross multiply
    64,781.94x = 88,816.37 × 63,601.14
  4. Step 4: Simplify right side
    64,781.94x = 5,648,822,382.66
  5. Step 5: Solve for x
    x = 5,648,822,382.66/64,781.94
  6. Step 6: Final answer
    x = 87,197.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.