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Finding the Fourth Proportional to 173,287.20, 259,930.80 and 48,628.20

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Solution

The fourth proportional to 173,287.20, 259,930.80 and 48,628.20 is: 72,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,287.20 : 259,930.80 = 48,628.20 : x
  2. Step 2: Convert to fraction form
    173,287.20/259,930.80 = 48,628.20/x
  3. Step 3: Cross multiply
    173,287.20x = 259,930.80 × 48,628.20
  4. Step 4: Simplify right side
    173,287.20x = 12,639,966,928.56
  5. Step 5: Solve for x
    x = 12,639,966,928.56/173,287.20
  6. Step 6: Final answer
    x = 72,942.30

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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.