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Finding the Fourth Proportional to 273,951.12, 378,051.92 and 153,092.46

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Solution

The fourth proportional to 273,951.12, 378,051.92 and 153,092.46 is: 211,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,951.12 : 378,051.92 = 153,092.46 : x
  2. Step 2: Convert to fraction form
    273,951.12/378,051.92 = 153,092.46/x
  3. Step 3: Cross multiply
    273,951.12x = 378,051.92 × 153,092.46
  4. Step 4: Simplify right side
    273,951.12x = 57,876,898,440.52
  5. Step 5: Solve for x
    x = 57,876,898,440.52/273,951.12
  6. Step 6: Final answer
    x = 211,267.25

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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.