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Finding the Fourth Proportional to 80,112, 110,552.74 and 44,302.30

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Solution

The fourth proportional to 80,112, 110,552.74 and 44,302.30 is: 61,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,112 : 110,552.74 = 44,302.30 : x
  2. Step 2: Convert to fraction form
    80,112/110,552.74 = 44,302.30/x
  3. Step 3: Cross multiply
    80,112x = 110,552.74 × 44,302.30
  4. Step 4: Simplify right side
    80,112x = 4,897,740,653.30
  5. Step 5: Solve for x
    x = 4,897,740,653.30/80,112
  6. Step 6: Final answer
    x = 61,136.17

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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.