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Finding the Fourth Proportional to 169,663.20, 254,494.80 and 58,855.20

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Solution

The fourth proportional to 169,663.20, 254,494.80 and 58,855.20 is: 88,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,663.20 : 254,494.80 = 58,855.20 : x
  2. Step 2: Convert to fraction form
    169,663.20/254,494.80 = 58,855.20/x
  3. Step 3: Cross multiply
    169,663.20x = 254,494.80 × 58,855.20
  4. Step 4: Simplify right side
    169,663.20x = 14,978,342,352.96
  5. Step 5: Solve for x
    x = 14,978,342,352.96/169,663.20
  6. Step 6: Final answer
    x = 88,282.80

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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.