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Finding the Fourth Proportional to 245,233.60, 367,850.40 and 87,467.20

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Solution

The fourth proportional to 245,233.60, 367,850.40 and 87,467.20 is: 131,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,233.60 : 367,850.40 = 87,467.20 : x
  2. Step 2: Convert to fraction form
    245,233.60/367,850.40 = 87,467.20/x
  3. Step 3: Cross multiply
    245,233.60x = 367,850.40 × 87,467.20
  4. Step 4: Simplify right side
    245,233.60x = 32,174,844,506.88
  5. Step 5: Solve for x
    x = 32,174,844,506.88/245,233.60
  6. Step 6: Final answer
    x = 131,200.80

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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.