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Finding the Fourth Proportional to 113,872.74, 170,830.98 and 39,004.44

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Solution

The fourth proportional to 113,872.74, 170,830.98 and 39,004.44 is: 58,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,872.74 : 170,830.98 = 39,004.44 : x
  2. Step 2: Convert to fraction form
    113,872.74/170,830.98 = 39,004.44/x
  3. Step 3: Cross multiply
    113,872.74x = 170,830.98 × 39,004.44
  4. Step 4: Simplify right side
    113,872.74x = 6,663,166,709.55
  5. Step 5: Solve for x
    x = 6,663,166,709.55/113,872.74
  6. Step 6: Final answer
    x = 58,514.15

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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.