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Finding the Fourth Proportional to 169,681.52, 254,324.23 and 124,893.58

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Solution

The fourth proportional to 169,681.52, 254,324.23 and 124,893.58 is: 187,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,681.52 : 254,324.23 = 124,893.58 : x
  2. Step 2: Convert to fraction form
    169,681.52/254,324.23 = 124,893.58/x
  3. Step 3: Cross multiply
    169,681.52x = 254,324.23 × 124,893.58
  4. Step 4: Simplify right side
    169,681.52x = 31,763,461,669.35
  5. Step 5: Solve for x
    x = 31,763,461,669.35/169,681.52
  6. Step 6: Final answer
    x = 187,194.59

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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.