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Finding the Fourth Proportional to 248,363.76, 372,601.20 and 90,592.22

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Solution

The fourth proportional to 248,363.76, 372,601.20 and 90,592.22 is: 135,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,363.76 : 372,601.20 = 90,592.22 : x
  2. Step 2: Convert to fraction form
    248,363.76/372,601.20 = 90,592.22/x
  3. Step 3: Cross multiply
    248,363.76x = 372,601.20 × 90,592.22
  4. Step 4: Simplify right side
    248,363.76x = 33,754,769,882.66
  5. Step 5: Solve for x
    x = 33,754,769,882.66/248,363.76
  6. Step 6: Final answer
    x = 135,908.60

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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.