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Finding the Fourth Proportional to 109,023.98, 150,461.97 and 63,099.14

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Solution

The fourth proportional to 109,023.98, 150,461.97 and 63,099.14 is: 87,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,023.98 : 150,461.97 = 63,099.14 : x
  2. Step 2: Convert to fraction form
    109,023.98/150,461.97 = 63,099.14/x
  3. Step 3: Cross multiply
    109,023.98x = 150,461.97 × 63,099.14
  4. Step 4: Simplify right side
    109,023.98x = 9,494,020,909.71
  5. Step 5: Solve for x
    x = 9,494,020,909.71/109,023.98
  6. Step 6: Final answer
    x = 87,081.95

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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.