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Finding the Fourth Proportional to 83,246, 124,881.44 and 30,651.44

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Solution

The fourth proportional to 83,246, 124,881.44 and 30,651.44 is: 45,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,246 : 124,881.44 = 30,651.44 : x
  2. Step 2: Convert to fraction form
    83,246/124,881.44 = 30,651.44/x
  3. Step 3: Cross multiply
    83,246x = 124,881.44 × 30,651.44
  4. Step 4: Simplify right side
    83,246x = 3,827,795,965.27
  5. Step 5: Solve for x
    x = 3,827,795,965.27/83,246
  6. Step 6: Final answer
    x = 45,981.74

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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.