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Finding the Fourth Proportional to 292,023.44, 438,032.39 and 92,343.86

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Solution

The fourth proportional to 292,023.44, 438,032.39 and 92,343.86 is: 138,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,023.44 : 438,032.39 = 92,343.86 : x
  2. Step 2: Convert to fraction form
    292,023.44/438,032.39 = 92,343.86/x
  3. Step 3: Cross multiply
    292,023.44x = 438,032.39 × 92,343.86
  4. Step 4: Simplify right side
    292,023.44x = 40,449,599,045.74
  5. Step 5: Solve for x
    x = 40,449,599,045.74/292,023.44
  6. Step 6: Final answer
    x = 138,514.91

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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.