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Finding the Fourth Proportional to 169,416.43, 253,998.25 and 101,932.63

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Solution

The fourth proportional to 169,416.43, 253,998.25 and 101,932.63 is: 152,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,416.43 : 253,998.25 = 101,932.63 : x
  2. Step 2: Convert to fraction form
    169,416.43/253,998.25 = 101,932.63/x
  3. Step 3: Cross multiply
    169,416.43x = 253,998.25 × 101,932.63
  4. Step 4: Simplify right side
    169,416.43x = 25,890,708,748.07
  5. Step 5: Solve for x
    x = 25,890,708,748.07/169,416.43
  6. Step 6: Final answer
    x = 152,822.89

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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.