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Finding the Fourth Proportional to 292,339.96, 438,525.42 and 92,675.92

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Solution

The fourth proportional to 292,339.96, 438,525.42 and 92,675.92 is: 139,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,339.96 : 438,525.42 = 92,675.92 : x
  2. Step 2: Convert to fraction form
    292,339.96/438,525.42 = 92,675.92/x
  3. Step 3: Cross multiply
    292,339.96x = 438,525.42 × 92,675.92
  4. Step 4: Simplify right side
    292,339.96x = 40,640,747,614.28
  5. Step 5: Solve for x
    x = 40,640,747,614.28/292,339.96
  6. Step 6: Final answer
    x = 139,018.79

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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.