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Finding the Fourth Proportional to 89,653.60, 134,480.40 and 59,586.40

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Solution

The fourth proportional to 89,653.60, 134,480.40 and 59,586.40 is: 89,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,653.60 : 134,480.40 = 59,586.40 : x
  2. Step 2: Convert to fraction form
    89,653.60/134,480.40 = 59,586.40/x
  3. Step 3: Cross multiply
    89,653.60x = 134,480.40 × 59,586.40
  4. Step 4: Simplify right side
    89,653.60x = 8,013,202,906.56
  5. Step 5: Solve for x
    x = 8,013,202,906.56/89,653.60
  6. Step 6: Final answer
    x = 89,379.60

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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.