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Finding the Fourth Proportional to 201,080.61, 301,664.30 and 67,957.92

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Solution

The fourth proportional to 201,080.61, 301,664.30 and 67,957.92 is: 101,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,080.61 : 301,664.30 = 67,957.92 : x
  2. Step 2: Convert to fraction form
    201,080.61/301,664.30 = 67,957.92/x
  3. Step 3: Cross multiply
    201,080.61x = 301,664.30 × 67,957.92
  4. Step 4: Simplify right side
    201,080.61x = 20,500,478,026.47
  5. Step 5: Solve for x
    x = 20,500,478,026.47/201,080.61
  6. Step 6: Final answer
    x = 101,951.54

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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.