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Finding the Fourth Proportional to 188,650.57, 260,364.23 and 117,053.67

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Solution

The fourth proportional to 188,650.57, 260,364.23 and 117,053.67 is: 161,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,650.57 : 260,364.23 = 117,053.67 : x
  2. Step 2: Convert to fraction form
    188,650.57/260,364.23 = 117,053.67/x
  3. Step 3: Cross multiply
    188,650.57x = 260,364.23 × 117,053.67
  4. Step 4: Simplify right side
    188,650.57x = 30,476,588,658.22
  5. Step 5: Solve for x
    x = 30,476,588,658.22/188,650.57
  6. Step 6: Final answer
    x = 161,550.47

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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.