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Finding the Fourth Proportional to 235,275.20, 352,912.80 and 141,732.80

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Solution

The fourth proportional to 235,275.20, 352,912.80 and 141,732.80 is: 212,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,275.20 : 352,912.80 = 141,732.80 : x
  2. Step 2: Convert to fraction form
    235,275.20/352,912.80 = 141,732.80/x
  3. Step 3: Cross multiply
    235,275.20x = 352,912.80 × 141,732.80
  4. Step 4: Simplify right side
    235,275.20x = 50,019,319,299.84
  5. Step 5: Solve for x
    x = 50,019,319,299.84/235,275.20
  6. Step 6: Final answer
    x = 212,599.20

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1.5x scale

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.