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Finding the Fourth Proportional to 188,551.67, 260,201.67 and 103,668.76

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Solution

The fourth proportional to 188,551.67, 260,201.67 and 103,668.76 is: 143,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,551.67 : 260,201.67 = 103,668.76 : x
  2. Step 2: Convert to fraction form
    188,551.67/260,201.67 = 103,668.76/x
  3. Step 3: Cross multiply
    188,551.67x = 260,201.67 × 103,668.76
  4. Step 4: Simplify right side
    188,551.67x = 26,974,783,177.82
  5. Step 5: Solve for x
    x = 26,974,783,177.82/188,551.67
  6. Step 6: Final answer
    x = 143,063.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.