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Finding the Fourth Proportional to 296,081.44, 444,118.32 and 71,439.98

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Solution

The fourth proportional to 296,081.44, 444,118.32 and 71,439.98 is: 107,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,081.44 : 444,118.32 = 71,439.98 : x
  2. Step 2: Convert to fraction form
    296,081.44/444,118.32 = 71,439.98/x
  3. Step 3: Cross multiply
    296,081.44x = 444,118.32 × 71,439.98
  4. Step 4: Simplify right side
    296,081.44x = 31,727,803,898.43
  5. Step 5: Solve for x
    x = 31,727,803,898.43/296,081.44
  6. Step 6: Final answer
    x = 107,159.04

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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.