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Finding the Fourth Proportional to 266,864.08, 400,185.36 and 98,394.04

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Solution

The fourth proportional to 266,864.08, 400,185.36 and 98,394.04 is: 147,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,864.08 : 400,185.36 = 98,394.04 : x
  2. Step 2: Convert to fraction form
    266,864.08/400,185.36 = 98,394.04/x
  3. Step 3: Cross multiply
    266,864.08x = 400,185.36 × 98,394.04
  4. Step 4: Simplify right side
    266,864.08x = 39,375,854,319.25
  5. Step 5: Solve for x
    x = 39,375,854,319.25/266,864.08
  6. Step 6: Final answer
    x = 147,550.22

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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.