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Finding the Fourth Proportional to 188,934, 260,727.48 and 112,505.52

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Solution

The fourth proportional to 188,934, 260,727.48 and 112,505.52 is: 155,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,934 : 260,727.48 = 112,505.52 : x
  2. Step 2: Convert to fraction form
    188,934/260,727.48 = 112,505.52/x
  3. Step 3: Cross multiply
    188,934x = 260,727.48 × 112,505.52
  4. Step 4: Simplify right side
    188,934x = 29,333,280,715.69
  5. Step 5: Solve for x
    x = 29,333,280,715.69/188,934
  6. Step 6: Final answer
    x = 155,256.76

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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.