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Finding the Fourth Proportional to 95,644.80, 143,461.62 and 36,486.45

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Solution

The fourth proportional to 95,644.80, 143,461.62 and 36,486.45 is: 54,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,644.80 : 143,461.62 = 36,486.45 : x
  2. Step 2: Convert to fraction form
    95,644.80/143,461.62 = 36,486.45/x
  3. Step 3: Cross multiply
    95,644.80x = 143,461.62 × 36,486.45
  4. Step 4: Simplify right side
    95,644.80x = 5,234,405,225.05
  5. Step 5: Solve for x
    x = 5,234,405,225.05/95,644.80
  6. Step 6: Final answer
    x = 54,727.55

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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.