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Finding the Fourth Proportional to 88,855.34, 133,289.90 and 29,691.23

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Solution

The fourth proportional to 88,855.34, 133,289.90 and 29,691.23 is: 44,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,855.34 : 133,289.90 = 29,691.23 : x
  2. Step 2: Convert to fraction form
    88,855.34/133,289.90 = 29,691.23/x
  3. Step 3: Cross multiply
    88,855.34x = 133,289.90 × 29,691.23
  4. Step 4: Simplify right side
    88,855.34x = 3,957,540,485.36
  5. Step 5: Solve for x
    x = 3,957,540,485.36/88,855.34
  6. Step 6: Final answer
    x = 44,539.14

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1.5x scale

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.