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Finding the Fourth Proportional to 133,542.85, 200,314.28 and 63,558.85

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Solution

The fourth proportional to 133,542.85, 200,314.28 and 63,558.85 is: 95,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,542.85 : 200,314.28 = 63,558.85 : x
  2. Step 2: Convert to fraction form
    133,542.85/200,314.28 = 63,558.85/x
  3. Step 3: Cross multiply
    133,542.85x = 200,314.28 × 63,558.85
  4. Step 4: Simplify right side
    133,542.85x = 12,731,744,957.58
  5. Step 5: Solve for x
    x = 12,731,744,957.58/133,542.85
  6. Step 6: Final answer
    x = 95,338.28

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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.