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Finding the Fourth Proportional to 235,529.40, 352,833.30 and 141,756.60

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Solution

The fourth proportional to 235,529.40, 352,833.30 and 141,756.60 is: 212,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,529.40 : 352,833.30 = 141,756.60 : x
  2. Step 2: Convert to fraction form
    235,529.40/352,833.30 = 141,756.60/x
  3. Step 3: Cross multiply
    235,529.40x = 352,833.30 × 141,756.60
  4. Step 4: Simplify right side
    235,529.40x = 50,016,448,974.78
  5. Step 5: Solve for x
    x = 50,016,448,974.78/235,529.40
  6. Step 6: Final answer
    x = 212,357.56

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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.