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Finding the Fourth Proportional to 89,616.20, 134,424.30 and 37,063.40

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Solution

The fourth proportional to 89,616.20, 134,424.30 and 37,063.40 is: 55,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,616.20 : 134,424.30 = 37,063.40 : x
  2. Step 2: Convert to fraction form
    89,616.20/134,424.30 = 37,063.40/x
  3. Step 3: Cross multiply
    89,616.20x = 134,424.30 × 37,063.40
  4. Step 4: Simplify right side
    89,616.20x = 4,982,221,600.62
  5. Step 5: Solve for x
    x = 4,982,221,600.62/89,616.20
  6. Step 6: Final answer
    x = 55,595.10

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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.