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Finding the Fourth Proportional to 73,264.64, 101,105.26 and 39,730.64

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Solution

The fourth proportional to 73,264.64, 101,105.26 and 39,730.64 is: 54,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,264.64 : 101,105.26 = 39,730.64 : x
  2. Step 2: Convert to fraction form
    73,264.64/101,105.26 = 39,730.64/x
  3. Step 3: Cross multiply
    73,264.64x = 101,105.26 × 39,730.64
  4. Step 4: Simplify right side
    73,264.64x = 4,016,976,687.17
  5. Step 5: Solve for x
    x = 4,016,976,687.17/73,264.64
  6. Step 6: Final answer
    x = 54,828.31

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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.