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Finding the Fourth Proportional to 163,912.10, 245,733.15 and 73,960.70

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Solution

The fourth proportional to 163,912.10, 245,733.15 and 73,960.70 is: 110,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,912.10 : 245,733.15 = 73,960.70 : x
  2. Step 2: Convert to fraction form
    163,912.10/245,733.15 = 73,960.70/x
  3. Step 3: Cross multiply
    163,912.10x = 245,733.15 × 73,960.70
  4. Step 4: Simplify right side
    163,912.10x = 18,174,595,787.21
  5. Step 5: Solve for x
    x = 18,174,595,787.21/163,912.10
  6. Step 6: Final answer
    x = 110,880.14

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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.