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Finding the Fourth Proportional to 223,842.60, 335,472.30 and 90,613.80

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Solution

The fourth proportional to 223,842.60, 335,472.30 and 90,613.80 is: 135,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,842.60 : 335,472.30 = 90,613.80 : x
  2. Step 2: Convert to fraction form
    223,842.60/335,472.30 = 90,613.80/x
  3. Step 3: Cross multiply
    223,842.60x = 335,472.30 × 90,613.80
  4. Step 4: Simplify right side
    223,842.60x = 30,398,419,897.74
  5. Step 5: Solve for x
    x = 30,398,419,897.74/223,842.60
  6. Step 6: Final answer
    x = 135,802.66

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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.