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Finding the Fourth Proportional to 248,366.02, 372,604.58 and 90,594.47

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Solution

The fourth proportional to 248,366.02, 372,604.58 and 90,594.47 is: 135,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,366.02 : 372,604.58 = 90,594.47 : x
  2. Step 2: Convert to fraction form
    248,366.02/372,604.58 = 90,594.47/x
  3. Step 3: Cross multiply
    248,366.02x = 372,604.58 × 90,594.47
  4. Step 4: Simplify right side
    248,366.02x = 33,755,914,444.67
  5. Step 5: Solve for x
    x = 33,755,914,444.67/248,366.02
  6. Step 6: Final answer
    x = 135,911.97

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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.