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Finding the Fourth Proportional to 151,990.70, 227,986.05 and 46,841.90

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Solution

The fourth proportional to 151,990.70, 227,986.05 and 46,841.90 is: 70,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,990.70 : 227,986.05 = 46,841.90 : x
  2. Step 2: Convert to fraction form
    151,990.70/227,986.05 = 46,841.90/x
  3. Step 3: Cross multiply
    151,990.70x = 227,986.05 × 46,841.90
  4. Step 4: Simplify right side
    151,990.70x = 10,679,299,755.50
  5. Step 5: Solve for x
    x = 10,679,299,755.50/151,990.70
  6. Step 6: Final answer
    x = 70,262.85

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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.