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Finding the Fourth Proportional to 146,710.74, 220,147.86 and 79,241.41

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Solution

The fourth proportional to 146,710.74, 220,147.86 and 79,241.41 is: 118,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710.74 : 220,147.86 = 79,241.41 : x
  2. Step 2: Convert to fraction form
    146,710.74/220,147.86 = 79,241.41/x
  3. Step 3: Cross multiply
    146,710.74x = 220,147.86 × 79,241.41
  4. Step 4: Simplify right side
    146,710.74x = 17,444,827,110.07
  5. Step 5: Solve for x
    x = 17,444,827,110.07/146,710.74
  6. Step 6: Final answer
    x = 118,906.27

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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.