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Finding the Fourth Proportional to 107,045.91, 160,530.09 and 35,947.28

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Solution

The fourth proportional to 107,045.91, 160,530.09 and 35,947.28 is: 53,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,045.91 : 160,530.09 = 35,947.28 : x
  2. Step 2: Convert to fraction form
    107,045.91/160,530.09 = 35,947.28/x
  3. Step 3: Cross multiply
    107,045.91x = 160,530.09 × 35,947.28
  4. Step 4: Simplify right side
    107,045.91x = 5,770,619,291.00
  5. Step 5: Solve for x
    x = 5,770,619,291.00/107,045.91
  6. Step 6: Final answer
    x = 53,907.89

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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.