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Finding the Fourth Proportional to 92,217.47, 138,233.87 and 35,980.20

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Solution

The fourth proportional to 92,217.47, 138,233.87 and 35,980.20 is: 53,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,217.47 : 138,233.87 = 35,980.20 : x
  2. Step 2: Convert to fraction form
    92,217.47/138,233.87 = 35,980.20/x
  3. Step 3: Cross multiply
    92,217.47x = 138,233.87 × 35,980.20
  4. Step 4: Simplify right side
    92,217.47x = 4,973,682,109.47
  5. Step 5: Solve for x
    x = 4,973,682,109.47/92,217.47
  6. Step 6: Final answer
    x = 53,934.27

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1.5x scale

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.