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Finding the Fourth Proportional to 89,660.40, 134,490.60 and 37,052.40

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Solution

The fourth proportional to 89,660.40, 134,490.60 and 37,052.40 is: 55,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,660.40 : 134,490.60 = 37,052.40 : x
  2. Step 2: Convert to fraction form
    89,660.40/134,490.60 = 37,052.40/x
  3. Step 3: Cross multiply
    89,660.40x = 134,490.60 × 37,052.40
  4. Step 4: Simplify right side
    89,660.40x = 4,983,199,507.44
  5. Step 5: Solve for x
    x = 4,983,199,507.44/89,660.40
  6. Step 6: Final answer
    x = 55,578.60

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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.