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Finding the Fourth Proportional to 88,811.56, 133,213.68 and 49,343.50

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Solution

The fourth proportional to 88,811.56, 133,213.68 and 49,343.50 is: 74,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,811.56 : 133,213.68 = 49,343.50 : x
  2. Step 2: Convert to fraction form
    88,811.56/133,213.68 = 49,343.50/x
  3. Step 3: Cross multiply
    88,811.56x = 133,213.68 × 49,343.50
  4. Step 4: Simplify right side
    88,811.56x = 6,573,229,219.08
  5. Step 5: Solve for x
    x = 6,573,229,219.08/88,811.56
  6. Step 6: Final answer
    x = 74,013.22

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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.