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Finding the Fourth Proportional to 255,285.24, 382,927.88 and 68,291.88

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Solution

The fourth proportional to 255,285.24, 382,927.88 and 68,291.88 is: 102,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,285.24 : 382,927.88 = 68,291.88 : x
  2. Step 2: Convert to fraction form
    255,285.24/382,927.88 = 68,291.88/x
  3. Step 3: Cross multiply
    255,285.24x = 382,927.88 × 68,291.88
  4. Step 4: Simplify right side
    255,285.24x = 26,150,864,829.61
  5. Step 5: Solve for x
    x = 26,150,864,829.61/255,285.24
  6. Step 6: Final answer
    x = 102,437.83

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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.