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Finding the Fourth Proportional to 182,788.84, 274,318.00 and 86,726.45

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Solution

The fourth proportional to 182,788.84, 274,318.00 and 86,726.45 is: 130,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,788.84 : 274,318.00 = 86,726.45 : x
  2. Step 2: Convert to fraction form
    182,788.84/274,318.00 = 86,726.45/x
  3. Step 3: Cross multiply
    182,788.84x = 274,318.00 × 86,726.45
  4. Step 4: Simplify right side
    182,788.84x = 23,790,627,267.92
  5. Step 5: Solve for x
    x = 23,790,627,267.92/182,788.84
  6. Step 6: Final answer
    x = 130,153.61

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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.