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Finding the Fourth Proportional to 146,750.60, 220,142.10 and 46,893.80

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Solution

The fourth proportional to 146,750.60, 220,142.10 and 46,893.80 is: 70,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,750.60 : 220,142.10 = 46,893.80 : x
  2. Step 2: Convert to fraction form
    146,750.60/220,142.10 = 46,893.80/x
  3. Step 3: Cross multiply
    146,750.60x = 220,142.10 × 46,893.80
  4. Step 4: Simplify right side
    146,750.60x = 10,323,299,608.98
  5. Step 5: Solve for x
    x = 10,323,299,608.98/146,750.60
  6. Step 6: Final answer
    x = 70,345.88

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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.