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Finding the Fourth Proportional to 266,050.12, 399,148.08 and 132,769.48

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Solution

The fourth proportional to 266,050.12, 399,148.08 and 132,769.48 is: 199,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,050.12 : 399,148.08 = 132,769.48 : x
  2. Step 2: Convert to fraction form
    266,050.12/399,148.08 = 132,769.48/x
  3. Step 3: Cross multiply
    266,050.12x = 399,148.08 × 132,769.48
  4. Step 4: Simplify right side
    266,050.12x = 52,994,683,024.60
  5. Step 5: Solve for x
    x = 52,994,683,024.60/266,050.12
  6. Step 6: Final answer
    x = 199,190.60

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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.