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Finding the Fourth Proportional to 92,031, 138,049.58 and 25,465.56

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Solution

The fourth proportional to 92,031, 138,049.58 and 25,465.56 is: 38,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,031 : 138,049.58 = 25,465.56 : x
  2. Step 2: Convert to fraction form
    92,031/138,049.58 = 25,465.56/x
  3. Step 3: Cross multiply
    92,031x = 138,049.58 × 25,465.56
  4. Step 4: Simplify right side
    92,031x = 3,515,509,862.46
  5. Step 5: Solve for x
    x = 3,515,509,862.46/92,031
  6. Step 6: Final answer
    x = 38,199.19

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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.