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Finding the Fourth Proportional to 217,896.13, 300,001.48 and 185,936.77

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Solution

The fourth proportional to 217,896.13, 300,001.48 and 185,936.77 is: 255,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,896.13 : 300,001.48 = 185,936.77 : x
  2. Step 2: Convert to fraction form
    217,896.13/300,001.48 = 185,936.77/x
  3. Step 3: Cross multiply
    217,896.13x = 300,001.48 × 185,936.77
  4. Step 4: Simplify right side
    217,896.13x = 55,781,306,186.42
  5. Step 5: Solve for x
    x = 55,781,306,186.42/217,896.13
  6. Step 6: Final answer
    x = 255,999.53

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1.5x scale

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.