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Finding the Fourth Proportional to 163,114.10, 244,671.15 and 115,874.90

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Solution

The fourth proportional to 163,114.10, 244,671.15 and 115,874.90 is: 173,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,114.10 : 244,671.15 = 115,874.90 : x
  2. Step 2: Convert to fraction form
    163,114.10/244,671.15 = 115,874.90/x
  3. Step 3: Cross multiply
    163,114.10x = 244,671.15 × 115,874.90
  4. Step 4: Simplify right side
    163,114.10x = 28,351,245,039.14
  5. Step 5: Solve for x
    x = 28,351,245,039.14/163,114.10
  6. Step 6: Final answer
    x = 173,812.35

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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.