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Finding the Fourth Proportional to 126,930.99, 190,022.88 and 93,798.87

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Solution

The fourth proportional to 126,930.99, 190,022.88 and 93,798.87 is: 140,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,930.99 : 190,022.88 = 93,798.87 : x
  2. Step 2: Convert to fraction form
    126,930.99/190,022.88 = 93,798.87/x
  3. Step 3: Cross multiply
    126,930.99x = 190,022.88 × 93,798.87
  4. Step 4: Simplify right side
    126,930.99x = 17,823,931,418.15
  5. Step 5: Solve for x
    x = 17,823,931,418.15/126,930.99
  6. Step 6: Final answer
    x = 140,422.22

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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.