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Finding the Fourth Proportional to 110,844.30, 152,910.32 and 65,500.35

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Solution

The fourth proportional to 110,844.30, 152,910.32 and 65,500.35 is: 90,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,844.30 : 152,910.32 = 65,500.35 : x
  2. Step 2: Convert to fraction form
    110,844.30/152,910.32 = 65,500.35/x
  3. Step 3: Cross multiply
    110,844.30x = 152,910.32 × 65,500.35
  4. Step 4: Simplify right side
    110,844.30x = 10,015,679,151.11
  5. Step 5: Solve for x
    x = 10,015,679,151.11/110,844.30
  6. Step 6: Final answer
    x = 90,358.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.