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Finding the Fourth Proportional to 248,083.10, 372,124.65 and 177,811.10

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Solution

The fourth proportional to 248,083.10, 372,124.65 and 177,811.10 is: 266,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,083.10 : 372,124.65 = 177,811.10 : x
  2. Step 2: Convert to fraction form
    248,083.10/372,124.65 = 177,811.10/x
  3. Step 3: Cross multiply
    248,083.10x = 372,124.65 × 177,811.10
  4. Step 4: Simplify right side
    248,083.10x = 66,167,893,353.62
  5. Step 5: Solve for x
    x = 66,167,893,353.62/248,083.10
  6. Step 6: Final answer
    x = 266,716.65

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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.