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Finding the Fourth Proportional to 98,844.30, 148,266.45 and 92,234.70

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Solution

The fourth proportional to 98,844.30, 148,266.45 and 92,234.70 is: 138,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,844.30 : 148,266.45 = 92,234.70 : x
  2. Step 2: Convert to fraction form
    98,844.30/148,266.45 = 92,234.70/x
  3. Step 3: Cross multiply
    98,844.30x = 148,266.45 × 92,234.70
  4. Step 4: Simplify right side
    98,844.30x = 13,675,311,535.82
  5. Step 5: Solve for x
    x = 13,675,311,535.82/98,844.30
  6. Step 6: Final answer
    x = 138,352.05

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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.