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Finding the Fourth Proportional to 228,087.60, 341,742.60 and 194,650.80

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Solution

The fourth proportional to 228,087.60, 341,742.60 and 194,650.80 is: 291,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,087.60 : 341,742.60 = 194,650.80 : x
  2. Step 2: Convert to fraction form
    228,087.60/341,742.60 = 194,650.80/x
  3. Step 3: Cross multiply
    228,087.60x = 341,742.60 × 194,650.80
  4. Step 4: Simplify right side
    228,087.60x = 66,520,470,484.08
  5. Step 5: Solve for x
    x = 66,520,470,484.08/228,087.60
  6. Step 6: Final answer
    x = 291,644.40

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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.