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Finding the Fourth Proportional to 235,275.49, 324,679.31 and 133,320.36

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Solution

The fourth proportional to 235,275.49, 324,679.31 and 133,320.36 is: 183,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,275.49 : 324,679.31 = 133,320.36 : x
  2. Step 2: Convert to fraction form
    235,275.49/324,679.31 = 133,320.36/x
  3. Step 3: Cross multiply
    235,275.49x = 324,679.31 × 133,320.36
  4. Step 4: Simplify right side
    235,275.49x = 43,286,361,180.13
  5. Step 5: Solve for x
    x = 43,286,361,180.13/235,275.49
  6. Step 6: Final answer
    x = 183,981.60

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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.