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Finding the Fourth Proportional to 88,752.90, 133,064.55 and 36,135.30

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Solution

The fourth proportional to 88,752.90, 133,064.55 and 36,135.30 is: 54,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,752.90 : 133,064.55 = 36,135.30 : x
  2. Step 2: Convert to fraction form
    88,752.90/133,064.55 = 36,135.30/x
  3. Step 3: Cross multiply
    88,752.90x = 133,064.55 × 36,135.30
  4. Step 4: Simplify right side
    88,752.90x = 4,808,327,433.62
  5. Step 5: Solve for x
    x = 4,808,327,433.62/88,752.90
  6. Step 6: Final answer
    x = 54,176.57

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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.