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Finding the Fourth Proportional to 92,940.75, 139,411.17 and 30,616.11

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Solution

The fourth proportional to 92,940.75, 139,411.17 and 30,616.11 is: 45,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,940.75 : 139,411.17 = 30,616.11 : x
  2. Step 2: Convert to fraction form
    92,940.75/139,411.17 = 30,616.11/x
  3. Step 3: Cross multiply
    92,940.75x = 139,411.17 × 30,616.11
  4. Step 4: Simplify right side
    92,940.75x = 4,268,227,715.95
  5. Step 5: Solve for x
    x = 4,268,227,715.95/92,940.75
  6. Step 6: Final answer
    x = 45,924.18

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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.