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Finding the Fourth Proportional to 303,752.20, 455,628.30 and 93,362.80

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Solution

The fourth proportional to 303,752.20, 455,628.30 and 93,362.80 is: 140,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,752.20 : 455,628.30 = 93,362.80 : x
  2. Step 2: Convert to fraction form
    303,752.20/455,628.30 = 93,362.80/x
  3. Step 3: Cross multiply
    303,752.20x = 455,628.30 × 93,362.80
  4. Step 4: Simplify right side
    303,752.20x = 42,538,733,847.24
  5. Step 5: Solve for x
    x = 42,538,733,847.24/303,752.20
  6. Step 6: Final answer
    x = 140,044.20

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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.