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Finding the Fourth Proportional to 73,252.59, 109,263.09 and 66,525.54

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Solution

The fourth proportional to 73,252.59, 109,263.09 and 66,525.54 is: 99,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,252.59 : 109,263.09 = 66,525.54 : x
  2. Step 2: Convert to fraction form
    73,252.59/109,263.09 = 66,525.54/x
  3. Step 3: Cross multiply
    73,252.59x = 109,263.09 × 66,525.54
  4. Step 4: Simplify right side
    73,252.59x = 7,268,786,064.32
  5. Step 5: Solve for x
    x = 7,268,786,064.32/73,252.59
  6. Step 6: Final answer
    x = 99,229.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.