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Finding the Fourth Proportional to 88,885.84, 133,182.96 and 53,835.52

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Solution

The fourth proportional to 88,885.84, 133,182.96 and 53,835.52 is: 80,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,885.84 : 133,182.96 = 53,835.52 : x
  2. Step 2: Convert to fraction form
    88,885.84/133,182.96 = 53,835.52/x
  3. Step 3: Cross multiply
    88,885.84x = 133,182.96 × 53,835.52
  4. Step 4: Simplify right side
    88,885.84x = 7,169,973,906.74
  5. Step 5: Solve for x
    x = 7,169,973,906.74/88,885.84
  6. Step 6: Final answer
    x = 80,664.97

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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.