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Finding the Fourth Proportional to 126,889.92, 175,107.87 and 70,301.34

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Solution

The fourth proportional to 126,889.92, 175,107.87 and 70,301.34 is: 97,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,889.92 : 175,107.87 = 70,301.34 : x
  2. Step 2: Convert to fraction form
    126,889.92/175,107.87 = 70,301.34/x
  3. Step 3: Cross multiply
    126,889.92x = 175,107.87 × 70,301.34
  4. Step 4: Simplify right side
    126,889.92x = 12,310,317,905.55
  5. Step 5: Solve for x
    x = 12,310,317,905.55/126,889.92
  6. Step 6: Final answer
    x = 97,015.73

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1.5x scale

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.