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Finding the Fourth Proportional to 146,143.70, 219,215.55 and 122,524.10

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Solution

The fourth proportional to 146,143.70, 219,215.55 and 122,524.10 is: 183,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,143.70 : 219,215.55 = 122,524.10 : x
  2. Step 2: Convert to fraction form
    146,143.70/219,215.55 = 122,524.10/x
  3. Step 3: Cross multiply
    146,143.70x = 219,215.55 × 122,524.10
  4. Step 4: Simplify right side
    146,143.70x = 26,859,187,969.76
  5. Step 5: Solve for x
    x = 26,859,187,969.76/146,143.70
  6. Step 6: Final answer
    x = 183,786.15

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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.