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Finding the Fourth Proportional to 292,003.94, 438,003.14 and 92,324.36

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Solution

The fourth proportional to 292,003.94, 438,003.14 and 92,324.36 is: 138,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,003.94 : 438,003.14 = 92,324.36 : x
  2. Step 2: Convert to fraction form
    292,003.94/438,003.14 = 92,324.36/x
  3. Step 3: Cross multiply
    292,003.94x = 438,003.14 × 92,324.36
  4. Step 4: Simplify right side
    292,003.94x = 40,438,356,926.85
  5. Step 5: Solve for x
    x = 40,438,356,926.85/292,003.94
  6. Step 6: Final answer
    x = 138,485.66

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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.