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Finding the Fourth Proportional to 251,024.80, 376,529.52 and 84,798.88

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Solution

The fourth proportional to 251,024.80, 376,529.52 and 84,798.88 is: 127,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,024.80 : 376,529.52 = 84,798.88 : x
  2. Step 2: Convert to fraction form
    251,024.80/376,529.52 = 84,798.88/x
  3. Step 3: Cross multiply
    251,024.80x = 376,529.52 × 84,798.88
  4. Step 4: Simplify right side
    251,024.80x = 31,929,281,582.94
  5. Step 5: Solve for x
    x = 31,929,281,582.94/251,024.80
  6. Step 6: Final answer
    x = 127,195.73

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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.