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Finding the Fourth Proportional to 235,701.44, 325,275.32 and 133,731.20

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Solution

The fourth proportional to 235,701.44, 325,275.32 and 133,731.20 is: 184,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,701.44 : 325,275.32 = 133,731.20 : x
  2. Step 2: Convert to fraction form
    235,701.44/325,275.32 = 133,731.20/x
  3. Step 3: Cross multiply
    235,701.44x = 325,275.32 × 133,731.20
  4. Step 4: Simplify right side
    235,701.44x = 43,499,456,578.95
  5. Step 5: Solve for x
    x = 43,499,456,578.95/235,701.44
  6. Step 6: Final answer
    x = 184,553.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.