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Finding the Fourth Proportional to 110,715.40, 166,073.10 and 110,059.30

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Solution

The fourth proportional to 110,715.40, 166,073.10 and 110,059.30 is: 165,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,715.40 : 166,073.10 = 110,059.30 : x
  2. Step 2: Convert to fraction form
    110,715.40/166,073.10 = 110,059.30/x
  3. Step 3: Cross multiply
    110,715.40x = 166,073.10 × 110,059.30
  4. Step 4: Simplify right side
    110,715.40x = 18,277,889,134.83
  5. Step 5: Solve for x
    x = 18,277,889,134.83/110,715.40
  6. Step 6: Final answer
    x = 165,088.95

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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.