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Finding the Fourth Proportional to 88,881.76, 133,371.84 and 53,255.53

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Solution

The fourth proportional to 88,881.76, 133,371.84 and 53,255.53 is: 79,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,881.76 : 133,371.84 = 53,255.53 : x
  2. Step 2: Convert to fraction form
    88,881.76/133,371.84 = 53,255.53/x
  3. Step 3: Cross multiply
    88,881.76x = 133,371.84 × 53,255.53
  4. Step 4: Simplify right side
    88,881.76x = 7,102,788,026.28
  5. Step 5: Solve for x
    x = 7,102,788,026.28/88,881.76
  6. Step 6: Final answer
    x = 79,912.77

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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.