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Finding the Fourth Proportional to 116,215.10, 173,994.60 and 112,934.60

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Solution

The fourth proportional to 116,215.10, 173,994.60 and 112,934.60 is: 169,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,215.10 : 173,994.60 = 112,934.60 : x
  2. Step 2: Convert to fraction form
    116,215.10/173,994.60 = 112,934.60/x
  3. Step 3: Cross multiply
    116,215.10x = 173,994.60 × 112,934.60
  4. Step 4: Simplify right side
    116,215.10x = 19,650,010,553.16
  5. Step 5: Solve for x
    x = 19,650,010,553.16/116,215.10
  6. Step 6: Final answer
    x = 169,083.11

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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.