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Finding the Fourth Proportional to 73,259.64, 101,098.36 and 39,725.64

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Solution

The fourth proportional to 73,259.64, 101,098.36 and 39,725.64 is: 54,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,259.64 : 101,098.36 = 39,725.64 : x
  2. Step 2: Convert to fraction form
    73,259.64/101,098.36 = 39,725.64/x
  3. Step 3: Cross multiply
    73,259.64x = 101,098.36 × 39,725.64
  4. Step 4: Simplify right side
    73,259.64x = 4,016,197,053.95
  5. Step 5: Solve for x
    x = 4,016,197,053.95/73,259.64
  6. Step 6: Final answer
    x = 54,821.41

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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.