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Finding the Fourth Proportional to 169,699.68, 254,444.90 and 57,369.29

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Solution

The fourth proportional to 169,699.68, 254,444.90 and 57,369.29 is: 86,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,699.68 : 254,444.90 = 57,369.29 : x
  2. Step 2: Convert to fraction form
    169,699.68/254,444.90 = 57,369.29/x
  3. Step 3: Cross multiply
    169,699.68x = 254,444.90 × 57,369.29
  4. Step 4: Simplify right side
    169,699.68x = 14,597,321,698.05
  5. Step 5: Solve for x
    x = 14,597,321,698.05/169,699.68
  6. Step 6: Final answer
    x = 86,018.56

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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.