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Finding the Fourth Proportional to 89,153.22, 133,678.80 and 36,534

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Solution

The fourth proportional to 89,153.22, 133,678.80 and 36,534 is: 54,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,153.22 : 133,678.80 = 36,534 : x
  2. Step 2: Convert to fraction form
    89,153.22/133,678.80 = 36,534/x
  3. Step 3: Cross multiply
    89,153.22x = 133,678.80 × 36,534
  4. Step 4: Simplify right side
    89,153.22x = 4,883,821,279.20
  5. Step 5: Solve for x
    x = 4,883,821,279.20/89,153.22
  6. Step 6: Final answer
    x = 54,780.09

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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.