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Finding the Fourth Proportional to 139,714.88, 209,592.02 and 44,913.29

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Solution

The fourth proportional to 139,714.88, 209,592.02 and 44,913.29 is: 67,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,714.88 : 209,592.02 = 44,913.29 : x
  2. Step 2: Convert to fraction form
    139,714.88/209,592.02 = 44,913.29/x
  3. Step 3: Cross multiply
    139,714.88x = 209,592.02 × 44,913.29
  4. Step 4: Simplify right side
    139,714.88x = 9,413,466,240.27
  5. Step 5: Solve for x
    x = 9,413,466,240.27/139,714.88
  6. Step 6: Final answer
    x = 67,376.26

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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.