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Finding the Fourth Proportional to 89,863.20, 134,794.80 and 27,525.60

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Solution

The fourth proportional to 89,863.20, 134,794.80 and 27,525.60 is: 41,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,863.20 : 134,794.80 = 27,525.60 : x
  2. Step 2: Convert to fraction form
    89,863.20/134,794.80 = 27,525.60/x
  3. Step 3: Cross multiply
    89,863.20x = 134,794.80 × 27,525.60
  4. Step 4: Simplify right side
    89,863.20x = 3,710,307,746.88
  5. Step 5: Solve for x
    x = 3,710,307,746.88/89,863.20
  6. Step 6: Final answer
    x = 41,288.40

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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.