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Finding the Fourth Proportional to 109,834.56, 164,726.64 and 65,473.92

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Solution

The fourth proportional to 109,834.56, 164,726.64 and 65,473.92 is: 98,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,834.56 : 164,726.64 = 65,473.92 : x
  2. Step 2: Convert to fraction form
    109,834.56/164,726.64 = 65,473.92/x
  3. Step 3: Cross multiply
    109,834.56x = 164,726.64 × 65,473.92
  4. Step 4: Simplify right side
    109,834.56x = 10,785,298,849.23
  5. Step 5: Solve for x
    x = 10,785,298,849.23/109,834.56
  6. Step 6: Final answer
    x = 98,195.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.