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Finding the Fourth Proportional to 88,648.40, 133,021.20 and 36,095.60

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Solution

The fourth proportional to 88,648.40, 133,021.20 and 36,095.60 is: 54,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,648.40 : 133,021.20 = 36,095.60 : x
  2. Step 2: Convert to fraction form
    88,648.40/133,021.20 = 36,095.60/x
  3. Step 3: Cross multiply
    88,648.40x = 133,021.20 × 36,095.60
  4. Step 4: Simplify right side
    88,648.40x = 4,801,480,026.72
  5. Step 5: Solve for x
    x = 4,801,480,026.72/88,648.40
  6. Step 6: Final answer
    x = 54,163.19

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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.