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Finding the Fourth Proportional to 73,009.68, 100,754.28 and 41,175.60

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Solution

The fourth proportional to 73,009.68, 100,754.28 and 41,175.60 is: 56,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,009.68 : 100,754.28 = 41,175.60 : x
  2. Step 2: Convert to fraction form
    73,009.68/100,754.28 = 41,175.60/x
  3. Step 3: Cross multiply
    73,009.68x = 100,754.28 × 41,175.60
  4. Step 4: Simplify right side
    73,009.68x = 4,148,617,931.57
  5. Step 5: Solve for x
    x = 4,148,617,931.57/73,009.68
  6. Step 6: Final answer
    x = 56,822.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.