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Finding the Fourth Proportional to 266,998.97, 368,457.62 and 144,491.10

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Solution

The fourth proportional to 266,998.97, 368,457.62 and 144,491.10 is: 199,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,998.97 : 368,457.62 = 144,491.10 : x
  2. Step 2: Convert to fraction form
    266,998.97/368,457.62 = 144,491.10/x
  3. Step 3: Cross multiply
    266,998.97x = 368,457.62 × 144,491.10
  4. Step 4: Simplify right side
    266,998.97x = 53,238,846,094.73
  5. Step 5: Solve for x
    x = 53,238,846,094.73/266,998.97
  6. Step 6: Final answer
    x = 199,397.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.