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Finding the Fourth Proportional to 73,264.35, 109,808.74 and 37,742.61

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Solution

The fourth proportional to 73,264.35, 109,808.74 and 37,742.61 is: 56,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,264.35 : 109,808.74 = 37,742.61 : x
  2. Step 2: Convert to fraction form
    73,264.35/109,808.74 = 37,742.61/x
  3. Step 3: Cross multiply
    73,264.35x = 109,808.74 × 37,742.61
  4. Step 4: Simplify right side
    73,264.35x = 4,144,468,448.41
  5. Step 5: Solve for x
    x = 4,144,468,448.41/73,264.35
  6. Step 6: Final answer
    x = 56,568.69

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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.