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Finding the Fourth Proportional to 151,990.80, 227,964.60 and 46,820.40

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Solution

The fourth proportional to 151,990.80, 227,964.60 and 46,820.40 is: 70,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,990.80 : 227,964.60 = 46,820.40 : x
  2. Step 2: Convert to fraction form
    151,990.80/227,964.60 = 46,820.40/x
  3. Step 3: Cross multiply
    151,990.80x = 227,964.60 × 46,820.40
  4. Step 4: Simplify right side
    151,990.80x = 10,673,393,757.84
  5. Step 5: Solve for x
    x = 10,673,393,757.84/151,990.80
  6. Step 6: Final answer
    x = 70,223.95

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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.