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Finding the Fourth Proportional to 126,023.99, 189,035.98 and 37,270.58

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Solution

The fourth proportional to 126,023.99, 189,035.98 and 37,270.58 is: 55,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,023.99 : 189,035.98 = 37,270.58 : x
  2. Step 2: Convert to fraction form
    126,023.99/189,035.98 = 37,270.58/x
  3. Step 3: Cross multiply
    126,023.99x = 189,035.98 × 37,270.58
  4. Step 4: Simplify right side
    126,023.99x = 7,045,480,615.47
  5. Step 5: Solve for x
    x = 7,045,480,615.47/126,023.99
  6. Step 6: Final answer
    x = 55,905.87

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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.