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Finding the Fourth Proportional to 266,856.86, 368,202.18 and 159,405.86

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Solution

The fourth proportional to 266,856.86, 368,202.18 and 159,405.86 is: 219,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,856.86 : 368,202.18 = 159,405.86 : x
  2. Step 2: Convert to fraction form
    266,856.86/368,202.18 = 159,405.86/x
  3. Step 3: Cross multiply
    266,856.86x = 368,202.18 × 159,405.86
  4. Step 4: Simplify right side
    266,856.86x = 58,693,585,156.77
  5. Step 5: Solve for x
    x = 58,693,585,156.77/266,856.86
  6. Step 6: Final answer
    x = 219,944.07

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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.