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Finding the Fourth Proportional to 105,004.68, 157,509.90 and 33,930.36

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Solution

The fourth proportional to 105,004.68, 157,509.90 and 33,930.36 is: 50,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,004.68 : 157,509.90 = 33,930.36 : x
  2. Step 2: Convert to fraction form
    105,004.68/157,509.90 = 33,930.36/x
  3. Step 3: Cross multiply
    105,004.68x = 157,509.90 × 33,930.36
  4. Step 4: Simplify right side
    105,004.68x = 5,344,367,610.56
  5. Step 5: Solve for x
    x = 5,344,367,610.56/105,004.68
  6. Step 6: Final answer
    x = 50,896.47

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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.