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Finding the Fourth Proportional to 86,167.79, 118,893.92 and 50,350.86

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Solution

The fourth proportional to 86,167.79, 118,893.92 and 50,350.86 is: 69,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,167.79 : 118,893.92 = 50,350.86 : x
  2. Step 2: Convert to fraction form
    86,167.79/118,893.92 = 50,350.86/x
  3. Step 3: Cross multiply
    86,167.79x = 118,893.92 × 50,350.86
  4. Step 4: Simplify right side
    86,167.79x = 5,986,410,869.02
  5. Step 5: Solve for x
    x = 5,986,410,869.02/86,167.79
  6. Step 6: Final answer
    x = 69,473.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.