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Finding the Fourth Proportional to 89,150.48, 133,635.65 and 55,893.88

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Solution

The fourth proportional to 89,150.48, 133,635.65 and 55,893.88 is: 83,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,150.48 : 133,635.65 = 55,893.88 : x
  2. Step 2: Convert to fraction form
    89,150.48/133,635.65 = 55,893.88/x
  3. Step 3: Cross multiply
    89,150.48x = 133,635.65 × 55,893.88
  4. Step 4: Simplify right side
    89,150.48x = 7,469,414,984.82
  5. Step 5: Solve for x
    x = 7,469,414,984.82/89,150.48
  6. Step 6: Final answer
    x = 83,784.35

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1.5x scale

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.