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Finding the Fourth Proportional to 567,130.28, 850,861.53 and 167,781.78

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Solution

The fourth proportional to 567,130.28, 850,861.53 and 167,781.78 is: 251,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,130.28 : 850,861.53 = 167,781.78 : x
  2. Step 2: Convert to fraction form
    567,130.28/850,861.53 = 167,781.78/x
  3. Step 3: Cross multiply
    567,130.28x = 850,861.53 × 167,781.78
  4. Step 4: Simplify right side
    567,130.28x = 142,759,062,036.92
  5. Step 5: Solve for x
    x = 142,759,062,036.92/567,130.28
  6. Step 6: Final answer
    x = 251,721.81

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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.