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Finding the Fourth Proportional to 219,377.84, 329,238.35 and 112,757.49

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Solution

The fourth proportional to 219,377.84, 329,238.35 and 112,757.49 is: 169,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,377.84 : 329,238.35 = 112,757.49 : x
  2. Step 2: Convert to fraction form
    219,377.84/329,238.35 = 112,757.49/x
  3. Step 3: Cross multiply
    219,377.84x = 329,238.35 × 112,757.49
  4. Step 4: Simplify right side
    219,377.84x = 37,124,089,957.74
  5. Step 5: Solve for x
    x = 37,124,089,957.74/219,377.84
  6. Step 6: Final answer
    x = 169,224.43

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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.