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Finding the Fourth Proportional to 73,260.77, 109,907.72 and 23,343.71

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Solution

The fourth proportional to 73,260.77, 109,907.72 and 23,343.71 is: 35,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,260.77 : 109,907.72 = 23,343.71 : x
  2. Step 2: Convert to fraction form
    73,260.77/109,907.72 = 23,343.71/x
  3. Step 3: Cross multiply
    73,260.77x = 109,907.72 × 23,343.71
  4. Step 4: Simplify right side
    73,260.77x = 2,565,653,451.26
  5. Step 5: Solve for x
    x = 2,565,653,451.26/73,260.77
  6. Step 6: Final answer
    x = 35,020.84

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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.