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Finding the Fourth Proportional to 272,486.76, 375,818.70 and 177,024.21

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Solution

The fourth proportional to 272,486.76, 375,818.70 and 177,024.21 is: 244,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,486.76 : 375,818.70 = 177,024.21 : x
  2. Step 2: Convert to fraction form
    272,486.76/375,818.70 = 177,024.21/x
  3. Step 3: Cross multiply
    272,486.76x = 375,818.70 × 177,024.21
  4. Step 4: Simplify right side
    272,486.76x = 66,529,008,470.73
  5. Step 5: Solve for x
    x = 66,529,008,470.73/272,486.76
  6. Step 6: Final answer
    x = 244,155.01

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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.