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Finding the Fourth Proportional to 116,425.46, 174,492.20 and 49,787.38

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Solution

The fourth proportional to 116,425.46, 174,492.20 and 49,787.38 is: 74,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,425.46 : 174,492.20 = 49,787.38 : x
  2. Step 2: Convert to fraction form
    116,425.46/174,492.20 = 49,787.38/x
  3. Step 3: Cross multiply
    116,425.46x = 174,492.20 × 49,787.38
  4. Step 4: Simplify right side
    116,425.46x = 8,687,509,468.44
  5. Step 5: Solve for x
    x = 8,687,509,468.44/116,425.46
  6. Step 6: Final answer
    x = 74,618.64

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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.