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Finding the Fourth Proportional to 88,991.61, 133,483.96 and 32,807.42

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Solution

The fourth proportional to 88,991.61, 133,483.96 and 32,807.42 is: 49,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,991.61 : 133,483.96 = 32,807.42 : x
  2. Step 2: Convert to fraction form
    88,991.61/133,483.96 = 32,807.42/x
  3. Step 3: Cross multiply
    88,991.61x = 133,483.96 × 32,807.42
  4. Step 4: Simplify right side
    88,991.61x = 4,379,264,338.98
  5. Step 5: Solve for x
    x = 4,379,264,338.98/88,991.61
  6. Step 6: Final answer
    x = 49,209.86

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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.