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Finding the Fourth Proportional to 223,994.08, 335,988.48 and 90,842.56

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Solution

The fourth proportional to 223,994.08, 335,988.48 and 90,842.56 is: 136,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,994.08 : 335,988.48 = 90,842.56 : x
  2. Step 2: Convert to fraction form
    223,994.08/335,988.48 = 90,842.56/x
  3. Step 3: Cross multiply
    223,994.08x = 335,988.48 × 90,842.56
  4. Step 4: Simplify right side
    223,994.08x = 30,522,053,653.71
  5. Step 5: Solve for x
    x = 30,522,053,653.71/223,994.08
  6. Step 6: Final answer
    x = 136,262.77

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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.