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Finding the Fourth Proportional to 126,790.88, 174,976.88 and 70,202.26

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Solution

The fourth proportional to 126,790.88, 174,976.88 and 70,202.26 is: 96,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,790.88 : 174,976.88 = 70,202.26 : x
  2. Step 2: Convert to fraction form
    126,790.88/174,976.88 = 70,202.26/x
  3. Step 3: Cross multiply
    126,790.88x = 174,976.88 × 70,202.26
  4. Step 4: Simplify right side
    126,790.88x = 12,283,772,423.75
  5. Step 5: Solve for x
    x = 12,283,772,423.75/126,790.88
  6. Step 6: Final answer
    x = 96,882.15

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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.