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Finding the Fourth Proportional to 133,196.96, 183,808.68 and 72,767.92

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Solution

The fourth proportional to 133,196.96, 183,808.68 and 72,767.92 is: 100,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,196.96 : 183,808.68 = 72,767.92 : x
  2. Step 2: Convert to fraction form
    133,196.96/183,808.68 = 72,767.92/x
  3. Step 3: Cross multiply
    133,196.96x = 183,808.68 × 72,767.92
  4. Step 4: Simplify right side
    133,196.96x = 13,375,375,321.55
  5. Step 5: Solve for x
    x = 13,375,375,321.55/133,196.96
  6. Step 6: Final answer
    x = 100,418.02

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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.