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Finding the Fourth Proportional to 143,857.01, 215,776.46 and 44,009.27

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Solution

The fourth proportional to 143,857.01, 215,776.46 and 44,009.27 is: 66,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,857.01 : 215,776.46 = 44,009.27 : x
  2. Step 2: Convert to fraction form
    143,857.01/215,776.46 = 44,009.27/x
  3. Step 3: Cross multiply
    143,857.01x = 215,776.46 × 44,009.27
  4. Step 4: Simplify right side
    143,857.01x = 9,496,164,487.78
  5. Step 5: Solve for x
    x = 9,496,164,487.78/143,857.01
  6. Step 6: Final answer
    x = 66,011.13

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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.