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Finding the Fourth Proportional to 169,649.88, 254,297.64 and 57,291.18

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Solution

The fourth proportional to 169,649.88, 254,297.64 and 57,291.18 is: 85,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,649.88 : 254,297.64 = 57,291.18 : x
  2. Step 2: Convert to fraction form
    169,649.88/254,297.64 = 57,291.18/x
  3. Step 3: Cross multiply
    169,649.88x = 254,297.64 × 57,291.18
  4. Step 4: Simplify right side
    169,649.88x = 14,569,011,866.82
  5. Step 5: Solve for x
    x = 14,569,011,866.82/169,649.88
  6. Step 6: Final answer
    x = 85,876.94

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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.