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Finding the Fourth Proportional to 175,663.88, 262,979.04 and 108,889.64

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Solution

The fourth proportional to 175,663.88, 262,979.04 and 108,889.64 is: 163,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,663.88 : 262,979.04 = 108,889.64 : x
  2. Step 2: Convert to fraction form
    175,663.88/262,979.04 = 108,889.64/x
  3. Step 3: Cross multiply
    175,663.88x = 262,979.04 × 108,889.64
  4. Step 4: Simplify right side
    175,663.88x = 28,635,692,993.15
  5. Step 5: Solve for x
    x = 28,635,692,993.15/175,663.88
  6. Step 6: Final answer
    x = 163,014.12

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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.