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Finding the Fourth Proportional to 169,885.41, 254,829.66 and 51,556.74

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Solution

The fourth proportional to 169,885.41, 254,829.66 and 51,556.74 is: 77,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,885.41 : 254,829.66 = 51,556.74 : x
  2. Step 2: Convert to fraction form
    169,885.41/254,829.66 = 51,556.74/x
  3. Step 3: Cross multiply
    169,885.41x = 254,829.66 × 51,556.74
  4. Step 4: Simplify right side
    169,885.41x = 13,138,186,524.91
  5. Step 5: Solve for x
    x = 13,138,186,524.91/169,885.41
  6. Step 6: Final answer
    x = 77,335.58

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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.