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Finding the Fourth Proportional to 253,324.67, 349,530.39 and 151,333.92

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Solution

The fourth proportional to 253,324.67, 349,530.39 and 151,333.92 is: 208,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,324.67 : 349,530.39 = 151,333.92 : x
  2. Step 2: Convert to fraction form
    253,324.67/349,530.39 = 151,333.92/x
  3. Step 3: Cross multiply
    253,324.67x = 349,530.39 × 151,333.92
  4. Step 4: Simplify right side
    253,324.67x = 52,895,804,077.83
  5. Step 5: Solve for x
    x = 52,895,804,077.83/253,324.67
  6. Step 6: Final answer
    x = 208,806.37

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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.