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Finding the Fourth Proportional to 109,715.70, 164,573.56 and 26,609.70

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Solution

The fourth proportional to 109,715.70, 164,573.56 and 26,609.70 is: 39,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,715.70 : 164,573.56 = 26,609.70 : x
  2. Step 2: Convert to fraction form
    109,715.70/164,573.56 = 26,609.70/x
  3. Step 3: Cross multiply
    109,715.70x = 164,573.56 × 26,609.70
  4. Step 4: Simplify right side
    109,715.70x = 4,379,253,059.53
  5. Step 5: Solve for x
    x = 4,379,253,059.53/109,715.70
  6. Step 6: Final answer
    x = 39,914.55

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1.5x scale

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.