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Finding the Fourth Proportional to 65,507.31, 98,264.58 and 61,964.37

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Solution

The fourth proportional to 65,507.31, 98,264.58 and 61,964.37 is: 92,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,507.31 : 98,264.58 = 61,964.37 : x
  2. Step 2: Convert to fraction form
    65,507.31/98,264.58 = 61,964.37/x
  3. Step 3: Cross multiply
    65,507.31x = 98,264.58 × 61,964.37
  4. Step 4: Simplify right side
    65,507.31x = 6,088,902,793.01
  5. Step 5: Solve for x
    x = 6,088,902,793.01/65,507.31
  6. Step 6: Final answer
    x = 92,949.97

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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.