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Finding the Fourth Proportional to 365,079.98, 547,635 and 125,358.50

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Solution

The fourth proportional to 365,079.98, 547,635 and 125,358.50 is: 188,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,079.98 : 547,635 = 125,358.50 : x
  2. Step 2: Convert to fraction form
    365,079.98/547,635 = 125,358.50/x
  3. Step 3: Cross multiply
    365,079.98x = 547,635 × 125,358.50
  4. Step 4: Simplify right side
    365,079.98x = 68,650,702,147.50
  5. Step 5: Solve for x
    x = 68,650,702,147.50/365,079.98
  6. Step 6: Final answer
    x = 188,042.91

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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.