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Finding the Fourth Proportional to 231,273.76, 346,927.52 and 98,138.88

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Solution

The fourth proportional to 231,273.76, 346,927.52 and 98,138.88 is: 147,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,273.76 : 346,927.52 = 98,138.88 : x
  2. Step 2: Convert to fraction form
    231,273.76/346,927.52 = 98,138.88/x
  3. Step 3: Cross multiply
    231,273.76x = 346,927.52 × 98,138.88
  4. Step 4: Simplify right side
    231,273.76x = 34,047,078,253.98
  5. Step 5: Solve for x
    x = 34,047,078,253.98/231,273.76
  6. Step 6: Final answer
    x = 147,215.48

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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.