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Finding the Fourth Proportional to 262,335.58, 362,015.19 and 147,620.61

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Solution

The fourth proportional to 262,335.58, 362,015.19 and 147,620.61 is: 203,711.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,335.58 : 362,015.19 = 147,620.61 : x
  2. Step 2: Convert to fraction form
    262,335.58/362,015.19 = 147,620.61/x
  3. Step 3: Cross multiply
    262,335.58x = 362,015.19 × 147,620.61
  4. Step 4: Simplify right side
    262,335.58x = 53,440,903,177.07
  5. Step 5: Solve for x
    x = 53,440,903,177.07/262,335.58
  6. Step 6: Final answer
    x = 203,711.99

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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.