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Finding the Fourth Proportional to 168,690.48, 253,035.86 and 44,031.48

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Solution

The fourth proportional to 168,690.48, 253,035.86 and 44,031.48 is: 66,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,690.48 : 253,035.86 = 44,031.48 : x
  2. Step 2: Convert to fraction form
    168,690.48/253,035.86 = 44,031.48/x
  3. Step 3: Cross multiply
    168,690.48x = 253,035.86 × 44,031.48
  4. Step 4: Simplify right side
    168,690.48x = 11,141,543,188.72
  5. Step 5: Solve for x
    x = 11,141,543,188.72/168,690.48
  6. Step 6: Final answer
    x = 66,047.26

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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.