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Finding the Fourth Proportional to 146,522.80, 219,622.20 and 57,746.80

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Solution

The fourth proportional to 146,522.80, 219,622.20 and 57,746.80 is: 86,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,522.80 : 219,622.20 = 57,746.80 : x
  2. Step 2: Convert to fraction form
    146,522.80/219,622.20 = 57,746.80/x
  3. Step 3: Cross multiply
    146,522.80x = 219,622.20 × 57,746.80
  4. Step 4: Simplify right side
    146,522.80x = 12,682,479,258.96
  5. Step 5: Solve for x
    x = 12,682,479,258.96/146,522.80
  6. Step 6: Final answer
    x = 86,556.35

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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.