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Finding the Fourth Proportional to 266,287.48, 399,554.72 and 116,508.04

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Solution

The fourth proportional to 266,287.48, 399,554.72 and 116,508.04 is: 174,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,287.48 : 399,554.72 = 116,508.04 : x
  2. Step 2: Convert to fraction form
    266,287.48/399,554.72 = 116,508.04/x
  3. Step 3: Cross multiply
    266,287.48x = 399,554.72 × 116,508.04
  4. Step 4: Simplify right side
    266,287.48x = 46,551,337,299.95
  5. Step 5: Solve for x
    x = 46,551,337,299.95/266,287.48
  6. Step 6: Final answer
    x = 174,816.09

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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.