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Finding the Fourth Proportional to 116,611.70, 174,917.55 and 106,934.90

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Solution

The fourth proportional to 116,611.70, 174,917.55 and 106,934.90 is: 160,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,611.70 : 174,917.55 = 106,934.90 : x
  2. Step 2: Convert to fraction form
    116,611.70/174,917.55 = 106,934.90/x
  3. Step 3: Cross multiply
    116,611.70x = 174,917.55 × 106,934.90
  4. Step 4: Simplify right side
    116,611.70x = 18,704,790,717.50
  5. Step 5: Solve for x
    x = 18,704,790,717.50/116,611.70
  6. Step 6: Final answer
    x = 160,402.35

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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.