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Finding the Fourth Proportional to 95,809.89, 143,715.93 and 36,648.57

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Solution

The fourth proportional to 95,809.89, 143,715.93 and 36,648.57 is: 54,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,809.89 : 143,715.93 = 36,648.57 : x
  2. Step 2: Convert to fraction form
    95,809.89/143,715.93 = 36,648.57/x
  3. Step 3: Cross multiply
    95,809.89x = 143,715.93 × 36,648.57
  4. Step 4: Simplify right side
    95,809.89x = 5,266,983,320.72
  5. Step 5: Solve for x
    x = 5,266,983,320.72/95,809.89
  6. Step 6: Final answer
    x = 54,973.27

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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.