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Finding the Fourth Proportional to 73,052.61, 109,583.78 and 25,661.94

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Solution

The fourth proportional to 73,052.61, 109,583.78 and 25,661.94 is: 38,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,052.61 : 109,583.78 = 25,661.94 : x
  2. Step 2: Convert to fraction form
    73,052.61/109,583.78 = 25,661.94/x
  3. Step 3: Cross multiply
    73,052.61x = 109,583.78 × 25,661.94
  4. Step 4: Simplify right side
    73,052.61x = 2,812,132,259.02
  5. Step 5: Solve for x
    x = 2,812,132,259.02/73,052.61
  6. Step 6: Final answer
    x = 38,494.62

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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.