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Finding the Fourth Proportional to 73,137.76, 109,706.62 and 17,733.76

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Solution

The fourth proportional to 73,137.76, 109,706.62 and 17,733.76 is: 26,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,137.76 : 109,706.62 = 17,733.76 : x
  2. Step 2: Convert to fraction form
    73,137.76/109,706.62 = 17,733.76/x
  3. Step 3: Cross multiply
    73,137.76x = 109,706.62 × 17,733.76
  4. Step 4: Simplify right side
    73,137.76x = 1,945,510,869.49
  5. Step 5: Solve for x
    x = 1,945,510,869.49/73,137.76
  6. Step 6: Final answer
    x = 26,600.64

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1.5x scale

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.