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Finding the Fourth Proportional to 89,245.52, 133,890.78 and 63,001.52

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Solution

The fourth proportional to 89,245.52, 133,890.78 and 63,001.52 is: 94,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,245.52 : 133,890.78 = 63,001.52 : x
  2. Step 2: Convert to fraction form
    89,245.52/133,890.78 = 63,001.52/x
  3. Step 3: Cross multiply
    89,245.52x = 133,890.78 × 63,001.52
  4. Step 4: Simplify right side
    89,245.52x = 8,435,322,653.99
  5. Step 5: Solve for x
    x = 8,435,322,653.99/89,245.52
  6. Step 6: Final answer
    x = 94,518.16

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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.