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Finding the Fourth Proportional to 73,557, 110,335.77 and 18,153

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Solution

The fourth proportional to 73,557, 110,335.77 and 18,153 is: 27,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,557 : 110,335.77 = 18,153 : x
  2. Step 2: Convert to fraction form
    73,557/110,335.77 = 18,153/x
  3. Step 3: Cross multiply
    73,557x = 110,335.77 × 18,153
  4. Step 4: Simplify right side
    73,557x = 2,002,925,232.81
  5. Step 5: Solve for x
    x = 2,002,925,232.81/73,557
  6. Step 6: Final answer
    x = 27,229.57

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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.