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Finding the Fourth Proportional to 126,610.66, 174,719.73 and 70,020.82

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Solution

The fourth proportional to 126,610.66, 174,719.73 and 70,020.82 is: 96,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,610.66 : 174,719.73 = 70,020.82 : x
  2. Step 2: Convert to fraction form
    126,610.66/174,719.73 = 70,020.82/x
  3. Step 3: Cross multiply
    126,610.66x = 174,719.73 × 70,020.82
  4. Step 4: Simplify right side
    126,610.66x = 12,234,018,764.78
  5. Step 5: Solve for x
    x = 12,234,018,764.78/126,610.66
  6. Step 6: Final answer
    x = 96,627.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.