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Finding the Fourth Proportional to 89,216.40, 133,792.20 and 44,828.40

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Solution

The fourth proportional to 89,216.40, 133,792.20 and 44,828.40 is: 67,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,216.40 : 133,792.20 = 44,828.40 : x
  2. Step 2: Convert to fraction form
    89,216.40/133,792.20 = 44,828.40/x
  3. Step 3: Cross multiply
    89,216.40x = 133,792.20 × 44,828.40
  4. Step 4: Simplify right side
    89,216.40x = 5,997,690,258.48
  5. Step 5: Solve for x
    x = 5,997,690,258.48/89,216.40
  6. Step 6: Final answer
    x = 67,226.32

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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.