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Finding the Fourth Proportional to 169,885.38, 254,829.60 and 51,556.74

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Solution

The fourth proportional to 169,885.38, 254,829.60 and 51,556.74 is: 77,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,885.38 : 254,829.60 = 51,556.74 : x
  2. Step 2: Convert to fraction form
    169,885.38/254,829.60 = 51,556.74/x
  3. Step 3: Cross multiply
    169,885.38x = 254,829.60 × 51,556.74
  4. Step 4: Simplify right side
    169,885.38x = 13,138,183,431.50
  5. Step 5: Solve for x
    x = 13,138,183,431.50/169,885.38
  6. Step 6: Final answer
    x = 77,335.57

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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.