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Finding the Fourth Proportional to 272,314.53, 375,804.45 and 151,464.56

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Solution

The fourth proportional to 272,314.53, 375,804.45 and 151,464.56 is: 209,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,314.53 : 375,804.45 = 151,464.56 : x
  2. Step 2: Convert to fraction form
    272,314.53/375,804.45 = 151,464.56/x
  3. Step 3: Cross multiply
    272,314.53x = 375,804.45 × 151,464.56
  4. Step 4: Simplify right side
    272,314.53x = 56,921,053,786.27
  5. Step 5: Solve for x
    x = 56,921,053,786.27/272,314.53
  6. Step 6: Final answer
    x = 209,026.87

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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.