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Finding the Fourth Proportional to 64,493.16, 88,995.67 and 36,193.38

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Solution

The fourth proportional to 64,493.16, 88,995.67 and 36,193.38 is: 49,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,493.16 : 88,995.67 = 36,193.38 : x
  2. Step 2: Convert to fraction form
    64,493.16/88,995.67 = 36,193.38/x
  3. Step 3: Cross multiply
    64,493.16x = 88,995.67 × 36,193.38
  4. Step 4: Simplify right side
    64,493.16x = 3,221,054,102.66
  5. Step 5: Solve for x
    x = 3,221,054,102.66/64,493.16
  6. Step 6: Final answer
    x = 49,944.12

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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.