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Finding the Fourth Proportional to 92,235.86, 138,340.01 and 25,669.04

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Solution

The fourth proportional to 92,235.86, 138,340.01 and 25,669.04 is: 38,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,235.86 : 138,340.01 = 25,669.04 : x
  2. Step 2: Convert to fraction form
    92,235.86/138,340.01 = 25,669.04/x
  3. Step 3: Cross multiply
    92,235.86x = 138,340.01 × 25,669.04
  4. Step 4: Simplify right side
    92,235.86x = 3,551,055,660.31
  5. Step 5: Solve for x
    x = 3,551,055,660.31/92,235.86
  6. Step 6: Final answer
    x = 38,499.73

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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.