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Finding the Fourth Proportional to 126,044.70, 189,103.80 and 37,300.56

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Solution

The fourth proportional to 126,044.70, 189,103.80 and 37,300.56 is: 55,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,044.70 : 189,103.80 = 37,300.56 : x
  2. Step 2: Convert to fraction form
    126,044.70/189,103.80 = 37,300.56/x
  3. Step 3: Cross multiply
    126,044.70x = 189,103.80 × 37,300.56
  4. Step 4: Simplify right side
    126,044.70x = 7,053,677,638.13
  5. Step 5: Solve for x
    x = 7,053,677,638.13/126,044.70
  6. Step 6: Final answer
    x = 55,961.72

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1.5x scale

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.