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Finding the Fourth Proportional to 266,946.80, 368,350.08 and 159,494

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Solution

The fourth proportional to 266,946.80, 368,350.08 and 159,494 is: 220,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,946.80 : 368,350.08 = 159,494 : x
  2. Step 2: Convert to fraction form
    266,946.80/368,350.08 = 159,494/x
  3. Step 3: Cross multiply
    266,946.80x = 368,350.08 × 159,494
  4. Step 4: Simplify right side
    266,946.80x = 58,749,627,659.52
  5. Step 5: Solve for x
    x = 58,749,627,659.52/266,946.80
  6. Step 6: Final answer
    x = 220,079.91

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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.