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Finding the Fourth Proportional to 133,658.27, 200,459.10 and 79,646.86

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Solution

The fourth proportional to 133,658.27, 200,459.10 and 79,646.86 is: 119,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,658.27 : 200,459.10 = 79,646.86 : x
  2. Step 2: Convert to fraction form
    133,658.27/200,459.10 = 79,646.86/x
  3. Step 3: Cross multiply
    133,658.27x = 200,459.10 × 79,646.86
  4. Step 4: Simplify right side
    133,658.27x = 15,965,938,422.68
  5. Step 5: Solve for x
    x = 15,965,938,422.68/133,658.27
  6. Step 6: Final answer
    x = 119,453.43

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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.