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Finding the Fourth Proportional to 133,854.18, 200,474.82 and 67,313.22

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Solution

The fourth proportional to 133,854.18, 200,474.82 and 67,313.22 is: 100,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,854.18 : 200,474.82 = 67,313.22 : x
  2. Step 2: Convert to fraction form
    133,854.18/200,474.82 = 67,313.22/x
  3. Step 3: Cross multiply
    133,854.18x = 200,474.82 × 67,313.22
  4. Step 4: Simplify right side
    133,854.18x = 13,494,605,663.12
  5. Step 5: Solve for x
    x = 13,494,605,663.12/133,854.18
  6. Step 6: Final answer
    x = 100,815.72

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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.