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Finding the Fourth Proportional to 194,240.91, 268,093.81 and 130,541.80

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Solution

The fourth proportional to 194,240.91, 268,093.81 and 130,541.80 is: 180,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,240.91 : 268,093.81 = 130,541.80 : x
  2. Step 2: Convert to fraction form
    194,240.91/268,093.81 = 130,541.80/x
  3. Step 3: Cross multiply
    194,240.91x = 268,093.81 × 130,541.80
  4. Step 4: Simplify right side
    194,240.91x = 34,997,449,459.46
  5. Step 5: Solve for x
    x = 34,997,449,459.46/194,240.91
  6. Step 6: Final answer
    x = 180,175.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.