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Finding the Fourth Proportional to 89,682.70, 134,541.78 and 26,503.96

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Solution

The fourth proportional to 89,682.70, 134,541.78 and 26,503.96 is: 39,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,682.70 : 134,541.78 = 26,503.96 : x
  2. Step 2: Convert to fraction form
    89,682.70/134,541.78 = 26,503.96/x
  3. Step 3: Cross multiply
    89,682.70x = 134,541.78 × 26,503.96
  4. Step 4: Simplify right side
    89,682.70x = 3,565,889,955.45
  5. Step 5: Solve for x
    x = 3,565,889,955.45/89,682.70
  6. Step 6: Final answer
    x = 39,761.18

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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.