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Finding the Fourth Proportional to 64,469.03, 88,968.80 and 36,176.81

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Solution

The fourth proportional to 64,469.03, 88,968.80 and 36,176.81 is: 49,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,469.03 : 88,968.80 = 36,176.81 : x
  2. Step 2: Convert to fraction form
    64,469.03/88,968.80 = 36,176.81/x
  3. Step 3: Cross multiply
    64,469.03x = 88,968.80 × 36,176.81
  4. Step 4: Simplify right side
    64,469.03x = 3,218,607,192.64
  5. Step 5: Solve for x
    x = 3,218,607,192.64/64,469.03
  6. Step 6: Final answer
    x = 49,924.86

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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.