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Finding the Fourth Proportional to 73,168.82, 100,980.45 and 52,767.74

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Solution

The fourth proportional to 73,168.82, 100,980.45 and 52,767.74 is: 72,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,168.82 : 100,980.45 = 52,767.74 : x
  2. Step 2: Convert to fraction form
    73,168.82/100,980.45 = 52,767.74/x
  3. Step 3: Cross multiply
    73,168.82x = 100,980.45 × 52,767.74
  4. Step 4: Simplify right side
    73,168.82x = 5,328,510,130.68
  5. Step 5: Solve for x
    x = 5,328,510,130.68/73,168.82
  6. Step 6: Final answer
    x = 72,824.87

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1.5x scale

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.