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Finding the Fourth Proportional to 194,192.22, 290,915.19 and 119,093.46

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Solution

The fourth proportional to 194,192.22, 290,915.19 and 119,093.46 is: 178,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,192.22 : 290,915.19 = 119,093.46 : x
  2. Step 2: Convert to fraction form
    194,192.22/290,915.19 = 119,093.46/x
  3. Step 3: Cross multiply
    194,192.22x = 290,915.19 × 119,093.46
  4. Step 4: Simplify right side
    194,192.22x = 34,646,096,543.66
  5. Step 5: Solve for x
    x = 34,646,096,543.66/194,192.22
  6. Step 6: Final answer
    x = 178,411.35

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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.