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Finding the Fourth Proportional to 272,203.44, 375,657.76 and 151,371.76

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Solution

The fourth proportional to 272,203.44, 375,657.76 and 151,371.76 is: 208,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,203.44 : 375,657.76 = 151,371.76 : x
  2. Step 2: Convert to fraction form
    272,203.44/375,657.76 = 151,371.76/x
  3. Step 3: Cross multiply
    272,203.44x = 375,657.76 × 151,371.76
  4. Step 4: Simplify right side
    272,203.44x = 56,863,976,288.86
  5. Step 5: Solve for x
    x = 56,863,976,288.86/272,203.44
  6. Step 6: Final answer
    x = 208,902.49

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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.