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Finding the Fourth Proportional to 239,392.60, 330,348.54 and 131,962.48

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Solution

The fourth proportional to 239,392.60, 330,348.54 and 131,962.48 is: 182,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,392.60 : 330,348.54 = 131,962.48 : x
  2. Step 2: Convert to fraction form
    239,392.60/330,348.54 = 131,962.48/x
  3. Step 3: Cross multiply
    239,392.60x = 330,348.54 × 131,962.48
  4. Step 4: Simplify right side
    239,392.60x = 43,593,612,602.78
  5. Step 5: Solve for x
    x = 43,593,612,602.78/239,392.60
  6. Step 6: Final answer
    x = 182,100.92

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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.