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Finding the Fourth Proportional to 248,331.30, 372,496.95 and 195,187.20

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Solution

The fourth proportional to 248,331.30, 372,496.95 and 195,187.20 is: 292,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,331.30 : 372,496.95 = 195,187.20 : x
  2. Step 2: Convert to fraction form
    248,331.30/372,496.95 = 195,187.20/x
  3. Step 3: Cross multiply
    248,331.30x = 372,496.95 × 195,187.20
  4. Step 4: Simplify right side
    248,331.30x = 72,706,636,679.04
  5. Step 5: Solve for x
    x = 72,706,636,679.04/248,331.30
  6. Step 6: Final answer
    x = 292,780.80

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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.