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Finding the Fourth Proportional to 109,002.96, 150,465.19 and 63,695.67

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Solution

The fourth proportional to 109,002.96, 150,465.19 and 63,695.67 is: 87,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,002.96 : 150,465.19 = 63,695.67 : x
  2. Step 2: Convert to fraction form
    109,002.96/150,465.19 = 63,695.67/x
  3. Step 3: Cross multiply
    109,002.96x = 150,465.19 × 63,695.67
  4. Step 4: Simplify right side
    109,002.96x = 9,583,981,088.73
  5. Step 5: Solve for x
    x = 9,583,981,088.73/109,002.96
  6. Step 6: Final answer
    x = 87,924.04

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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.