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Finding the Fourth Proportional to 175,244.20, 262,866.30 and 56,919.40

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Solution

The fourth proportional to 175,244.20, 262,866.30 and 56,919.40 is: 85,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,244.20 : 262,866.30 = 56,919.40 : x
  2. Step 2: Convert to fraction form
    175,244.20/262,866.30 = 56,919.40/x
  3. Step 3: Cross multiply
    175,244.20x = 262,866.30 × 56,919.40
  4. Step 4: Simplify right side
    175,244.20x = 14,962,192,076.22
  5. Step 5: Solve for x
    x = 14,962,192,076.22/175,244.20
  6. Step 6: Final answer
    x = 85,379.10

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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.