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Finding the Fourth Proportional to 110,753.72, 152,834.82 and 63,002.60

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Solution

The fourth proportional to 110,753.72, 152,834.82 and 63,002.60 is: 86,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,753.72 : 152,834.82 = 63,002.60 : x
  2. Step 2: Convert to fraction form
    110,753.72/152,834.82 = 63,002.60/x
  3. Step 3: Cross multiply
    110,753.72x = 152,834.82 × 63,002.60
  4. Step 4: Simplify right side
    110,753.72x = 9,628,991,030.53
  5. Step 5: Solve for x
    x = 9,628,991,030.53/110,753.72
  6. Step 6: Final answer
    x = 86,940.57

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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.