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Finding the Fourth Proportional to 92,333.77, 138,476.01 and 25,762.20

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Solution

The fourth proportional to 92,333.77, 138,476.01 and 25,762.20 is: 38,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,333.77 : 138,476.01 = 25,762.20 : x
  2. Step 2: Convert to fraction form
    92,333.77/138,476.01 = 25,762.20/x
  3. Step 3: Cross multiply
    92,333.77x = 138,476.01 × 25,762.20
  4. Step 4: Simplify right side
    92,333.77x = 3,567,445,972.44
  5. Step 5: Solve for x
    x = 3,567,445,972.44/92,333.77
  6. Step 6: Final answer
    x = 38,636.42

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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.