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Finding the Fourth Proportional to 292,556.01, 438,849.20 and 92,892.03

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Solution

The fourth proportional to 292,556.01, 438,849.20 and 92,892.03 is: 139,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,556.01 : 438,849.20 = 92,892.03 : x
  2. Step 2: Convert to fraction form
    292,556.01/438,849.20 = 92,892.03/x
  3. Step 3: Cross multiply
    292,556.01x = 438,849.20 × 92,892.03
  4. Step 4: Simplify right side
    292,556.01x = 40,765,593,051.88
  5. Step 5: Solve for x
    x = 40,765,593,051.88/292,556.01
  6. Step 6: Final answer
    x = 139,342.87

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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.