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Finding the Fourth Proportional to 245,325.20, 367,987.80 and 133,350.80

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Solution

The fourth proportional to 245,325.20, 367,987.80 and 133,350.80 is: 200,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,325.20 : 367,987.80 = 133,350.80 : x
  2. Step 2: Convert to fraction form
    245,325.20/367,987.80 = 133,350.80/x
  3. Step 3: Cross multiply
    245,325.20x = 367,987.80 × 133,350.80
  4. Step 4: Simplify right side
    245,325.20x = 49,071,467,520.24
  5. Step 5: Solve for x
    x = 49,071,467,520.24/245,325.20
  6. Step 6: Final answer
    x = 200,026.20

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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.