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Finding the Fourth Proportional to 169,699.85, 254,445.10 and 57,369.41

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Solution

The fourth proportional to 169,699.85, 254,445.10 and 57,369.41 is: 86,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,699.85 : 254,445.10 = 57,369.41 : x
  2. Step 2: Convert to fraction form
    169,699.85/254,445.10 = 57,369.41/x
  3. Step 3: Cross multiply
    169,699.85x = 254,445.10 × 57,369.41
  4. Step 4: Simplify right side
    169,699.85x = 14,597,365,264.39
  5. Step 5: Solve for x
    x = 14,597,365,264.39/169,699.85
  6. Step 6: Final answer
    x = 86,018.73

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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.