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Finding the Fourth Proportional to 175,706.75, 263,668.47 and 69,071.97

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Solution

The fourth proportional to 175,706.75, 263,668.47 and 69,071.97 is: 103,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,706.75 : 263,668.47 = 69,071.97 : x
  2. Step 2: Convert to fraction form
    175,706.75/263,668.47 = 69,071.97/x
  3. Step 3: Cross multiply
    175,706.75x = 263,668.47 × 69,071.97
  4. Step 4: Simplify right side
    175,706.75x = 18,212,101,379.52
  5. Step 5: Solve for x
    x = 18,212,101,379.52/175,706.75
  6. Step 6: Final answer
    x = 103,650.55

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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.