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Finding the Fourth Proportional to 92,475.54, 138,739.23 and 37,110.42

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Solution

The fourth proportional to 92,475.54, 138,739.23 and 37,110.42 is: 55,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,475.54 : 138,739.23 = 37,110.42 : x
  2. Step 2: Convert to fraction form
    92,475.54/138,739.23 = 37,110.42/x
  3. Step 3: Cross multiply
    92,475.54x = 138,739.23 × 37,110.42
  4. Step 4: Simplify right side
    92,475.54x = 5,148,671,095.78
  5. Step 5: Solve for x
    x = 5,148,671,095.78/92,475.54
  6. Step 6: Final answer
    x = 55,676.03

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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.