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Finding the Fourth Proportional to 88,011.84, 131,799.04 and 61,592.96

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Solution

The fourth proportional to 88,011.84, 131,799.04 and 61,592.96 is: 92,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,011.84 : 131,799.04 = 61,592.96 : x
  2. Step 2: Convert to fraction form
    88,011.84/131,799.04 = 61,592.96/x
  3. Step 3: Cross multiply
    88,011.84x = 131,799.04 × 61,592.96
  4. Step 4: Simplify right side
    88,011.84x = 8,117,892,998.76
  5. Step 5: Solve for x
    x = 8,117,892,998.76/88,011.84
  6. Step 6: Final answer
    x = 92,236.37

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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.