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Finding the Fourth Proportional to 88,854.42, 133,288.52 and 29,690.30

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Solution

The fourth proportional to 88,854.42, 133,288.52 and 29,690.30 is: 44,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,854.42 : 133,288.52 = 29,690.30 : x
  2. Step 2: Convert to fraction form
    88,854.42/133,288.52 = 29,690.30/x
  3. Step 3: Cross multiply
    88,854.42x = 133,288.52 × 29,690.30
  4. Step 4: Simplify right side
    88,854.42x = 3,957,376,145.36
  5. Step 5: Solve for x
    x = 3,957,376,145.36/88,854.42
  6. Step 6: Final answer
    x = 44,537.75

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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.