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Finding the Fourth Proportional to 303,001.20, 454,501.80 and 92,611.80

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Solution

The fourth proportional to 303,001.20, 454,501.80 and 92,611.80 is: 138,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,001.20 : 454,501.80 = 92,611.80 : x
  2. Step 2: Convert to fraction form
    303,001.20/454,501.80 = 92,611.80/x
  3. Step 3: Cross multiply
    303,001.20x = 454,501.80 × 92,611.80
  4. Step 4: Simplify right side
    303,001.20x = 42,092,229,801.24
  5. Step 5: Solve for x
    x = 42,092,229,801.24/303,001.20
  6. Step 6: Final answer
    x = 138,917.70

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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.