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Finding the Fourth Proportional to 73,238.84, 109,858.27 and 69,499.07

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Solution

The fourth proportional to 73,238.84, 109,858.27 and 69,499.07 is: 104,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,238.84 : 109,858.27 = 69,499.07 : x
  2. Step 2: Convert to fraction form
    73,238.84/109,858.27 = 69,499.07/x
  3. Step 3: Cross multiply
    73,238.84x = 109,858.27 × 69,499.07
  4. Step 4: Simplify right side
    73,238.84x = 7,635,047,697.71
  5. Step 5: Solve for x
    x = 7,635,047,697.71/73,238.84
  6. Step 6: Final answer
    x = 104,248.61

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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.