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Finding the Fourth Proportional to 223,672.70, 335,405.36 and 83,393.66

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Solution

The fourth proportional to 223,672.70, 335,405.36 and 83,393.66 is: 125,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,672.70 : 335,405.36 = 83,393.66 : x
  2. Step 2: Convert to fraction form
    223,672.70/335,405.36 = 83,393.66/x
  3. Step 3: Cross multiply
    223,672.70x = 335,405.36 × 83,393.66
  4. Step 4: Simplify right side
    223,672.70x = 27,970,679,085.47
  5. Step 5: Solve for x
    x = 27,970,679,085.47/223,672.70
  6. Step 6: Final answer
    x = 125,051.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.