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Finding the Fourth Proportional to 92,940.94, 139,411.13 and 26,381.12

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Solution

The fourth proportional to 92,940.94, 139,411.13 and 26,381.12 is: 39,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,940.94 : 139,411.13 = 26,381.12 : x
  2. Step 2: Convert to fraction form
    92,940.94/139,411.13 = 26,381.12/x
  3. Step 3: Cross multiply
    92,940.94x = 139,411.13 × 26,381.12
  4. Step 4: Simplify right side
    92,940.94x = 3,677,822,164.35
  5. Step 5: Solve for x
    x = 3,677,822,164.35/92,940.94
  6. Step 6: Final answer
    x = 39,571.61

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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.