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Finding the Fourth Proportional to 219,713.85, 303,203.52 and 124,220.52

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Solution

The fourth proportional to 219,713.85, 303,203.52 and 124,220.52 is: 171,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,713.85 : 303,203.52 = 124,220.52 : x
  2. Step 2: Convert to fraction form
    219,713.85/303,203.52 = 124,220.52/x
  3. Step 3: Cross multiply
    219,713.85x = 303,203.52 × 124,220.52
  4. Step 4: Simplify right side
    219,713.85x = 37,664,098,920.23
  5. Step 5: Solve for x
    x = 37,664,098,920.23/219,713.85
  6. Step 6: Final answer
    x = 171,423.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.