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Finding the Fourth Proportional to 95,885.48, 143,849 and 36,721.16

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Solution

The fourth proportional to 95,885.48, 143,849 and 36,721.16 is: 55,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,885.48 : 143,849 = 36,721.16 : x
  2. Step 2: Convert to fraction form
    95,885.48/143,849 = 36,721.16/x
  3. Step 3: Cross multiply
    95,885.48x = 143,849 × 36,721.16
  4. Step 4: Simplify right side
    95,885.48x = 5,282,302,144.84
  5. Step 5: Solve for x
    x = 5,282,302,144.84/95,885.48
  6. Step 6: Final answer
    x = 55,089.70

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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.