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Finding the Fourth Proportional to 272,552.78, 375,909.44 and 177,090.50

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Solution

The fourth proportional to 272,552.78, 375,909.44 and 177,090.50 is: 244,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,552.78 : 375,909.44 = 177,090.50 : x
  2. Step 2: Convert to fraction form
    272,552.78/375,909.44 = 177,090.50/x
  3. Step 3: Cross multiply
    272,552.78x = 375,909.44 × 177,090.50
  4. Step 4: Simplify right side
    272,552.78x = 66,569,990,684.32
  5. Step 5: Solve for x
    x = 66,569,990,684.32/272,552.78
  6. Step 6: Final answer
    x = 244,246.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.