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Finding the Fourth Proportional to 293,590.73, 405,130.48 and 162,771.89

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Solution

The fourth proportional to 293,590.73, 405,130.48 and 162,771.89 is: 224,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,590.73 : 405,130.48 = 162,771.89 : x
  2. Step 2: Convert to fraction form
    293,590.73/405,130.48 = 162,771.89/x
  3. Step 3: Cross multiply
    293,590.73x = 405,130.48 × 162,771.89
  4. Step 4: Simplify right side
    293,590.73x = 65,943,851,493.63
  5. Step 5: Solve for x
    x = 65,943,851,493.63/293,590.73
  6. Step 6: Final answer
    x = 224,611.49

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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.