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Finding the Fourth Proportional to 88,855.84, 133,290.66 and 29,691.72

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Solution

The fourth proportional to 88,855.84, 133,290.66 and 29,691.72 is: 44,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,855.84 : 133,290.66 = 29,691.72 : x
  2. Step 2: Convert to fraction form
    88,855.84/133,290.66 = 29,691.72/x
  3. Step 3: Cross multiply
    88,855.84x = 133,290.66 × 29,691.72
  4. Step 4: Simplify right side
    88,855.84x = 3,957,628,955.34
  5. Step 5: Solve for x
    x = 3,957,628,955.34/88,855.84
  6. Step 6: Final answer
    x = 44,539.89

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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.