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Finding the Fourth Proportional to 92,031.99, 138,051.08 and 25,466.57

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Solution

The fourth proportional to 92,031.99, 138,051.08 and 25,466.57 is: 38,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,031.99 : 138,051.08 = 25,466.57 : x
  2. Step 2: Convert to fraction form
    92,031.99/138,051.08 = 25,466.57/x
  3. Step 3: Cross multiply
    92,031.99x = 138,051.08 × 25,466.57
  4. Step 4: Simplify right side
    92,031.99x = 3,515,686,674.81
  5. Step 5: Solve for x
    x = 3,515,686,674.81/92,031.99
  6. Step 6: Final answer
    x = 38,200.70

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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.