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Finding the Fourth Proportional to 110,697.10, 166,069.95 and 54,564.10

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Solution

The fourth proportional to 110,697.10, 166,069.95 and 54,564.10 is: 81,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,697.10 : 166,069.95 = 54,564.10 : x
  2. Step 2: Convert to fraction form
    110,697.10/166,069.95 = 54,564.10/x
  3. Step 3: Cross multiply
    110,697.10x = 166,069.95 × 54,564.10
  4. Step 4: Simplify right side
    110,697.10x = 9,061,457,358.80
  5. Step 5: Solve for x
    x = 9,061,457,358.80/110,697.10
  6. Step 6: Final answer
    x = 81,858.13

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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.