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Finding the Fourth Proportional to 228,101.60, 341,763.60 and 194,664.80

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Solution

The fourth proportional to 228,101.60, 341,763.60 and 194,664.80 is: 291,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,101.60 : 341,763.60 = 194,664.80 : x
  2. Step 2: Convert to fraction form
    228,101.60/341,763.60 = 194,664.80/x
  3. Step 3: Cross multiply
    228,101.60x = 341,763.60 × 194,664.80
  4. Step 4: Simplify right side
    228,101.60x = 66,529,342,841.28
  5. Step 5: Solve for x
    x = 66,529,342,841.28/228,101.60
  6. Step 6: Final answer
    x = 291,665.39

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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.