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Finding the Fourth Proportional to 73,230.01, 101,057.57 and 39,696.01

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Solution

The fourth proportional to 73,230.01, 101,057.57 and 39,696.01 is: 54,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,230.01 : 101,057.57 = 39,696.01 : x
  2. Step 2: Convert to fraction form
    73,230.01/101,057.57 = 39,696.01/x
  3. Step 3: Cross multiply
    73,230.01x = 101,057.57 × 39,696.01
  4. Step 4: Simplify right side
    73,230.01x = 4,011,582,309.30
  5. Step 5: Solve for x
    x = 4,011,582,309.30/73,230.01
  6. Step 6: Final answer
    x = 54,780.58

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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.