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Finding the Fourth Proportional to 266,645.45, 367,976.52 and 159,195.44

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Solution

The fourth proportional to 266,645.45, 367,976.52 and 159,195.44 is: 219,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,645.45 : 367,976.52 = 159,195.44 : x
  2. Step 2: Convert to fraction form
    266,645.45/367,976.52 = 159,195.44/x
  3. Step 3: Cross multiply
    266,645.45x = 367,976.52 × 159,195.44
  4. Step 4: Simplify right side
    266,645.45x = 58,580,184,931.01
  5. Step 5: Solve for x
    x = 58,580,184,931.01/266,645.45
  6. Step 6: Final answer
    x = 219,693.17

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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.