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Finding the Fourth Proportional to 200,365.27, 300,658.58 and 111,668.76

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Solution

The fourth proportional to 200,365.27, 300,658.58 and 111,668.76 is: 167,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,365.27 : 300,658.58 = 111,668.76 : x
  2. Step 2: Convert to fraction form
    200,365.27/300,658.58 = 111,668.76/x
  3. Step 3: Cross multiply
    200,365.27x = 300,658.58 × 111,668.76
  4. Step 4: Simplify right side
    200,365.27x = 33,574,170,811.96
  5. Step 5: Solve for x
    x = 33,574,170,811.96/200,365.27
  6. Step 6: Final answer
    x = 167,564.82

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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.