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Finding the Fourth Proportional to 251,669.76, 377,387.92 and 93,855.84

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Solution

The fourth proportional to 251,669.76, 377,387.92 and 93,855.84 is: 140,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,669.76 : 377,387.92 = 93,855.84 : x
  2. Step 2: Convert to fraction form
    251,669.76/377,387.92 = 93,855.84/x
  3. Step 3: Cross multiply
    251,669.76x = 377,387.92 × 93,855.84
  4. Step 4: Simplify right side
    251,669.76x = 35,420,060,237.45
  5. Step 5: Solve for x
    x = 35,420,060,237.45/251,669.76
  6. Step 6: Final answer
    x = 140,740.23

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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.