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Finding the Fourth Proportional to 88,800.40, 133,027.80 and 53,635.60

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Solution

The fourth proportional to 88,800.40, 133,027.80 and 53,635.60 is: 80,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,800.40 : 133,027.80 = 53,635.60 : x
  2. Step 2: Convert to fraction form
    88,800.40/133,027.80 = 53,635.60/x
  3. Step 3: Cross multiply
    88,800.40x = 133,027.80 × 53,635.60
  4. Step 4: Simplify right side
    88,800.40x = 7,135,025,869.68
  5. Step 5: Solve for x
    x = 7,135,025,869.68/88,800.40
  6. Step 6: Final answer
    x = 80,349.03

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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.