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Finding the Fourth Proportional to 181,740, 250,798.50 and 101,167.38

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Solution

The fourth proportional to 181,740, 250,798.50 and 101,167.38 is: 139,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,740 : 250,798.50 = 101,167.38 : x
  2. Step 2: Convert to fraction form
    181,740/250,798.50 = 101,167.38/x
  3. Step 3: Cross multiply
    181,740x = 250,798.50 × 101,167.38
  4. Step 4: Simplify right side
    181,740x = 25,372,627,152.93
  5. Step 5: Solve for x
    x = 25,372,627,152.93/181,740
  6. Step 6: Final answer
    x = 139,609.48

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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.