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Finding the Fourth Proportional to 223,382.26, 335,239.51 and 90,263.65

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Solution

The fourth proportional to 223,382.26, 335,239.51 and 90,263.65 is: 135,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,382.26 : 335,239.51 = 90,263.65 : x
  2. Step 2: Convert to fraction form
    223,382.26/335,239.51 = 90,263.65/x
  3. Step 3: Cross multiply
    223,382.26x = 335,239.51 × 90,263.65
  4. Step 4: Simplify right side
    223,382.26x = 30,259,941,796.81
  5. Step 5: Solve for x
    x = 30,259,941,796.81/223,382.26
  6. Step 6: Final answer
    x = 135,462.60

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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.