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Finding the Fourth Proportional to 244,095.07, 336,822.40 and 140,728.11

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Solution

The fourth proportional to 244,095.07, 336,822.40 and 140,728.11 is: 194,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,095.07 : 336,822.40 = 140,728.11 : x
  2. Step 2: Convert to fraction form
    244,095.07/336,822.40 = 140,728.11/x
  3. Step 3: Cross multiply
    244,095.07x = 336,822.40 × 140,728.11
  4. Step 4: Simplify right side
    244,095.07x = 47,400,379,757.66
  5. Step 5: Solve for x
    x = 47,400,379,757.66/244,095.07
  6. Step 6: Final answer
    x = 194,188.19

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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.