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Finding the Fourth Proportional to 245,603.52, 368,418.24 and 79,404.48

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Solution

The fourth proportional to 245,603.52, 368,418.24 and 79,404.48 is: 119,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,603.52 : 368,418.24 = 79,404.48 : x
  2. Step 2: Convert to fraction form
    245,603.52/368,418.24 = 79,404.48/x
  3. Step 3: Cross multiply
    245,603.52x = 368,418.24 × 79,404.48
  4. Step 4: Simplify right side
    245,603.52x = 29,254,058,769.72
  5. Step 5: Solve for x
    x = 29,254,058,769.72/245,603.52
  6. Step 6: Final answer
    x = 119,110.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.