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Finding the Fourth Proportional to 223,726.76, 335,422.52 and 134,959.57

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Solution

The fourth proportional to 223,726.76, 335,422.52 and 134,959.57 is: 202,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,726.76 : 335,422.52 = 134,959.57 : x
  2. Step 2: Convert to fraction form
    223,726.76/335,422.52 = 134,959.57/x
  3. Step 3: Cross multiply
    223,726.76x = 335,422.52 × 134,959.57
  4. Step 4: Simplify right side
    223,726.76x = 45,268,478,060.26
  5. Step 5: Solve for x
    x = 45,268,478,060.26/223,726.76
  6. Step 6: Final answer
    x = 202,338.24

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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.