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Finding the Fourth Proportional to 132,461.85, 198,692.78 and 118,027.65

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Solution

The fourth proportional to 132,461.85, 198,692.78 and 118,027.65 is: 177,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,461.85 : 198,692.78 = 118,027.65 : x
  2. Step 2: Convert to fraction form
    132,461.85/198,692.78 = 118,027.65/x
  3. Step 3: Cross multiply
    132,461.85x = 198,692.78 × 118,027.65
  4. Step 4: Simplify right side
    132,461.85x = 23,451,241,305.23
  5. Step 5: Solve for x
    x = 23,451,241,305.23/132,461.85
  6. Step 6: Final answer
    x = 177,041.48

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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.