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Finding the Fourth Proportional to 228,873.60, 343,310.40 and 158,014.80

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Solution

The fourth proportional to 228,873.60, 343,310.40 and 158,014.80 is: 237,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,873.60 : 343,310.40 = 158,014.80 : x
  2. Step 2: Convert to fraction form
    228,873.60/343,310.40 = 158,014.80/x
  3. Step 3: Cross multiply
    228,873.60x = 343,310.40 × 158,014.80
  4. Step 4: Simplify right side
    228,873.60x = 54,248,124,193.92
  5. Step 5: Solve for x
    x = 54,248,124,193.92/228,873.60
  6. Step 6: Final answer
    x = 237,022.20

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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.