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Finding the Fourth Proportional to 146,739.60, 220,125.60 and 46,882.80

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Solution

The fourth proportional to 146,739.60, 220,125.60 and 46,882.80 is: 70,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739.60 : 220,125.60 = 46,882.80 : x
  2. Step 2: Convert to fraction form
    146,739.60/220,125.60 = 46,882.80/x
  3. Step 3: Cross multiply
    146,739.60x = 220,125.60 × 46,882.80
  4. Step 4: Simplify right side
    146,739.60x = 10,320,104,479.68
  5. Step 5: Solve for x
    x = 10,320,104,479.68/146,739.60
  6. Step 6: Final answer
    x = 70,329.38

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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.