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Finding the Fourth Proportional to 266,861.86, 368,209.08 and 159,410.86

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Solution

The fourth proportional to 266,861.86, 368,209.08 and 159,410.86 is: 219,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,861.86 : 368,209.08 = 159,410.86 : x
  2. Step 2: Convert to fraction form
    266,861.86/368,209.08 = 159,410.86/x
  3. Step 3: Cross multiply
    266,861.86x = 368,209.08 × 159,410.86
  4. Step 4: Simplify right side
    266,861.86x = 58,696,526,102.61
  5. Step 5: Solve for x
    x = 58,696,526,102.61/266,861.86
  6. Step 6: Final answer
    x = 219,950.97

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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.