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Finding the Fourth Proportional to 178,876.20, 268,314.30 and 150,007.80

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Solution

The fourth proportional to 178,876.20, 268,314.30 and 150,007.80 is: 225,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,876.20 : 268,314.30 = 150,007.80 : x
  2. Step 2: Convert to fraction form
    178,876.20/268,314.30 = 150,007.80/x
  3. Step 3: Cross multiply
    178,876.20x = 268,314.30 × 150,007.80
  4. Step 4: Simplify right side
    178,876.20x = 40,249,237,851.54
  5. Step 5: Solve for x
    x = 40,249,237,851.54/178,876.20
  6. Step 6: Final answer
    x = 225,011.70

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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.