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Finding the Fourth Proportional to 223,686.08, 335,736.48 and 112,955.84

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Solution

The fourth proportional to 223,686.08, 335,736.48 and 112,955.84 is: 169,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,686.08 : 335,736.48 = 112,955.84 : x
  2. Step 2: Convert to fraction form
    223,686.08/335,736.48 = 112,955.84/x
  3. Step 3: Cross multiply
    223,686.08x = 335,736.48 × 112,955.84
  4. Step 4: Simplify right side
    223,686.08x = 37,923,396,117.04
  5. Step 5: Solve for x
    x = 37,923,396,117.04/223,686.08
  6. Step 6: Final answer
    x = 169,538.47

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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.