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Finding the Fourth Proportional to 80,607.78, 111,230.28 and 44,792.01

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Solution

The fourth proportional to 80,607.78, 111,230.28 and 44,792.01 is: 61,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,607.78 : 111,230.28 = 44,792.01 : x
  2. Step 2: Convert to fraction form
    80,607.78/111,230.28 = 44,792.01/x
  3. Step 3: Cross multiply
    80,607.78x = 111,230.28 × 44,792.01
  4. Step 4: Simplify right side
    80,607.78x = 4,982,227,814.06
  5. Step 5: Solve for x
    x = 4,982,227,814.06/80,607.78
  6. Step 6: Final answer
    x = 61,808.27

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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.