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Finding the Fourth Proportional to 169,468.42, 254,137.89 and 57,118.45

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Solution

The fourth proportional to 169,468.42, 254,137.89 and 57,118.45 is: 85,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,468.42 : 254,137.89 = 57,118.45 : x
  2. Step 2: Convert to fraction form
    169,468.42/254,137.89 = 57,118.45/x
  3. Step 3: Cross multiply
    169,468.42x = 254,137.89 × 57,118.45
  4. Step 4: Simplify right side
    169,468.42x = 14,515,962,363.07
  5. Step 5: Solve for x
    x = 14,515,962,363.07/169,468.42
  6. Step 6: Final answer
    x = 85,655.85

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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.