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Finding the Fourth Proportional to 248,384.88, 372,580.56 and 108,138.24

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Solution

The fourth proportional to 248,384.88, 372,580.56 and 108,138.24 is: 162,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,384.88 : 372,580.56 = 108,138.24 : x
  2. Step 2: Convert to fraction form
    248,384.88/372,580.56 = 108,138.24/x
  3. Step 3: Cross multiply
    248,384.88x = 372,580.56 × 108,138.24
  4. Step 4: Simplify right side
    248,384.88x = 40,290,206,016.61
  5. Step 5: Solve for x
    x = 40,290,206,016.61/248,384.88
  6. Step 6: Final answer
    x = 162,208.77

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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.