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Finding the Fourth Proportional to 88,985.52, 133,524.32 and 39,100.59

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Solution

The fourth proportional to 88,985.52, 133,524.32 and 39,100.59 is: 58,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,985.52 : 133,524.32 = 39,100.59 : x
  2. Step 2: Convert to fraction form
    88,985.52/133,524.32 = 39,100.59/x
  3. Step 3: Cross multiply
    88,985.52x = 133,524.32 × 39,100.59
  4. Step 4: Simplify right side
    88,985.52x = 5,220,879,495.85
  5. Step 5: Solve for x
    x = 5,220,879,495.85/88,985.52
  6. Step 6: Final answer
    x = 58,671.11

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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.