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Finding the Fourth Proportional to 229,858.08, 344,787.54 and 72,098.76

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Solution

The fourth proportional to 229,858.08, 344,787.54 and 72,098.76 is: 108,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,858.08 : 344,787.54 = 72,098.76 : x
  2. Step 2: Convert to fraction form
    229,858.08/344,787.54 = 72,098.76/x
  3. Step 3: Cross multiply
    229,858.08x = 344,787.54 × 72,098.76
  4. Step 4: Simplify right side
    229,858.08x = 24,858,754,097.45
  5. Step 5: Solve for x
    x = 24,858,754,097.45/229,858.08
  6. Step 6: Final answer
    x = 108,148.27

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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.