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Finding the Fourth Proportional to 107,287.56, 160,928.90 and 63,194.02

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Solution

The fourth proportional to 107,287.56, 160,928.90 and 63,194.02 is: 94,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,287.56 : 160,928.90 = 63,194.02 : x
  2. Step 2: Convert to fraction form
    107,287.56/160,928.90 = 63,194.02/x
  3. Step 3: Cross multiply
    107,287.56x = 160,928.90 × 63,194.02
  4. Step 4: Simplify right side
    107,287.56x = 10,169,744,125.18
  5. Step 5: Solve for x
    x = 10,169,744,125.18/107,287.56
  6. Step 6: Final answer
    x = 94,789.59

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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.