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Finding the Fourth Proportional to 248,363.88, 372,601.37 and 90,592.34

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Solution

The fourth proportional to 248,363.88, 372,601.37 and 90,592.34 is: 135,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,363.88 : 372,601.37 = 90,592.34 : x
  2. Step 2: Convert to fraction form
    248,363.88/372,601.37 = 90,592.34/x
  3. Step 3: Cross multiply
    248,363.88x = 372,601.37 × 90,592.34
  4. Step 4: Simplify right side
    248,363.88x = 33,754,828,946.65
  5. Step 5: Solve for x
    x = 33,754,828,946.65/248,363.88
  6. Step 6: Final answer
    x = 135,908.77

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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.