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Finding the Fourth Proportional to 88,990.44, 133,490.10 and 26,655

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Solution

The fourth proportional to 88,990.44, 133,490.10 and 26,655 is: 39,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,990.44 : 133,490.10 = 26,655 : x
  2. Step 2: Convert to fraction form
    88,990.44/133,490.10 = 26,655/x
  3. Step 3: Cross multiply
    88,990.44x = 133,490.10 × 26,655
  4. Step 4: Simplify right side
    88,990.44x = 3,558,178,615.50
  5. Step 5: Solve for x
    x = 3,558,178,615.50/88,990.44
  6. Step 6: Final answer
    x = 39,983.83

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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.