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Finding the Fourth Proportional to 152,385.40, 228,578.10 and 149,793.40

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Solution

The fourth proportional to 152,385.40, 228,578.10 and 149,793.40 is: 224,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,385.40 : 228,578.10 = 149,793.40 : x
  2. Step 2: Convert to fraction form
    152,385.40/228,578.10 = 149,793.40/x
  3. Step 3: Cross multiply
    152,385.40x = 228,578.10 × 149,793.40
  4. Step 4: Simplify right side
    152,385.40x = 34,239,490,764.54
  5. Step 5: Solve for x
    x = 34,239,490,764.54/152,385.40
  6. Step 6: Final answer
    x = 224,690.10

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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.