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Finding the Fourth Proportional to 88,922.90, 133,060.35 and 55,658.90

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Solution

The fourth proportional to 88,922.90, 133,060.35 and 55,658.90 is: 83,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,922.90 : 133,060.35 = 55,658.90 : x
  2. Step 2: Convert to fraction form
    88,922.90/133,060.35 = 55,658.90/x
  3. Step 3: Cross multiply
    88,922.90x = 133,060.35 × 55,658.90
  4. Step 4: Simplify right side
    88,922.90x = 7,405,992,714.62
  5. Step 5: Solve for x
    x = 7,405,992,714.62/88,922.90
  6. Step 6: Final answer
    x = 83,285.55

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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.