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Finding the Fourth Proportional to 110,748.30, 166,122.45 and 63,314.70

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Solution

The fourth proportional to 110,748.30, 166,122.45 and 63,314.70 is: 94,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,748.30 : 166,122.45 = 63,314.70 : x
  2. Step 2: Convert to fraction form
    110,748.30/166,122.45 = 63,314.70/x
  3. Step 3: Cross multiply
    110,748.30x = 166,122.45 × 63,314.70
  4. Step 4: Simplify right side
    110,748.30x = 10,517,993,085.02
  5. Step 5: Solve for x
    x = 10,517,993,085.02/110,748.30
  6. Step 6: Final answer
    x = 94,972.05

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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.