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Finding the Fourth Proportional to 223,690.80, 335,633.40 and 112,882.80

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Solution

The fourth proportional to 223,690.80, 335,633.40 and 112,882.80 is: 169,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,690.80 : 335,633.40 = 112,882.80 : x
  2. Step 2: Convert to fraction form
    223,690.80/335,633.40 = 112,882.80/x
  3. Step 3: Cross multiply
    223,690.80x = 335,633.40 × 112,882.80
  4. Step 4: Simplify right side
    223,690.80x = 37,887,237,965.52
  5. Step 5: Solve for x
    x = 37,887,237,965.52/223,690.80
  6. Step 6: Final answer
    x = 169,373.25

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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.