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Finding the Fourth Proportional to 266,860.86, 368,207.70 and 159,409.86

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Solution

The fourth proportional to 266,860.86, 368,207.70 and 159,409.86 is: 219,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,860.86 : 368,207.70 = 159,409.86 : x
  2. Step 2: Convert to fraction form
    266,860.86/368,207.70 = 159,409.86/x
  3. Step 3: Cross multiply
    266,860.86x = 368,207.70 × 159,409.86
  4. Step 4: Simplify right side
    266,860.86x = 58,695,937,907.92
  5. Step 5: Solve for x
    x = 58,695,937,907.92/266,860.86
  6. Step 6: Final answer
    x = 219,949.59

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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.