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Finding the Fourth Proportional to 133,669.15, 200,503.73 and 40,174.90

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Solution

The fourth proportional to 133,669.15, 200,503.73 and 40,174.90 is: 60,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669.15 : 200,503.73 = 40,174.90 : x
  2. Step 2: Convert to fraction form
    133,669.15/200,503.73 = 40,174.90/x
  3. Step 3: Cross multiply
    133,669.15x = 200,503.73 × 40,174.90
  4. Step 4: Simplify right side
    133,669.15x = 8,055,217,101.50
  5. Step 5: Solve for x
    x = 8,055,217,101.50/133,669.15
  6. Step 6: Final answer
    x = 60,262.35

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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.