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Finding the Fourth Proportional to 266,284.36, 399,142.38 and 132,901.96

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Solution

The fourth proportional to 266,284.36, 399,142.38 and 132,901.96 is: 199,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,284.36 : 399,142.38 = 132,901.96 : x
  2. Step 2: Convert to fraction form
    266,284.36/399,142.38 = 132,901.96/x
  3. Step 3: Cross multiply
    266,284.36x = 399,142.38 × 132,901.96
  4. Step 4: Simplify right side
    266,284.36x = 53,046,804,621.06
  5. Step 5: Solve for x
    x = 53,046,804,621.06/266,284.36
  6. Step 6: Final answer
    x = 199,211.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.