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Finding the Fourth Proportional to 109,846.60, 164,769.90 and 65,523.40

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Solution

The fourth proportional to 109,846.60, 164,769.90 and 65,523.40 is: 98,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,846.60 : 164,769.90 = 65,523.40 : x
  2. Step 2: Convert to fraction form
    109,846.60/164,769.90 = 65,523.40/x
  3. Step 3: Cross multiply
    109,846.60x = 164,769.90 × 65,523.40
  4. Step 4: Simplify right side
    109,846.60x = 10,796,284,065.66
  5. Step 5: Solve for x
    x = 10,796,284,065.66/109,846.60
  6. Step 6: Final answer
    x = 98,285.10

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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.