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Finding the Fourth Proportional to 266,653.23, 367,987.22 and 159,203.22

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Solution

The fourth proportional to 266,653.23, 367,987.22 and 159,203.22 is: 219,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,653.23 : 367,987.22 = 159,203.22 : x
  2. Step 2: Convert to fraction form
    266,653.23/367,987.22 = 159,203.22/x
  3. Step 3: Cross multiply
    266,653.23x = 367,987.22 × 159,203.22
  4. Step 4: Simplify right side
    266,653.23x = 58,584,750,342.85
  5. Step 5: Solve for x
    x = 58,584,750,342.85/266,653.23
  6. Step 6: Final answer
    x = 219,703.88

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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.