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Finding the Fourth Proportional to 92,251.58, 138,381 and 25,697.52

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Solution

The fourth proportional to 92,251.58, 138,381 and 25,697.52 is: 38,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,251.58 : 138,381 = 25,697.52 : x
  2. Step 2: Convert to fraction form
    92,251.58/138,381 = 25,697.52/x
  3. Step 3: Cross multiply
    92,251.58x = 138,381 × 25,697.52
  4. Step 4: Simplify right side
    92,251.58x = 3,556,048,515.12
  5. Step 5: Solve for x
    x = 3,556,048,515.12/92,251.58
  6. Step 6: Final answer
    x = 38,547.29

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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.