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Finding the Fourth Proportional to 242,610.73, 334,804.13 and 140,696.61

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Solution

The fourth proportional to 242,610.73, 334,804.13 and 140,696.61 is: 194,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,610.73 : 334,804.13 = 140,696.61 : x
  2. Step 2: Convert to fraction form
    242,610.73/334,804.13 = 140,696.61/x
  3. Step 3: Cross multiply
    242,610.73x = 334,804.13 × 140,696.61
  4. Step 4: Simplify right side
    242,610.73x = 47,105,806,820.69
  5. Step 5: Solve for x
    x = 47,105,806,820.69/242,610.73
  6. Step 6: Final answer
    x = 194,162.09

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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.