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Finding the Fourth Proportional to 191,492.44, 264,219.51 and 110,915.15

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Solution

The fourth proportional to 191,492.44, 264,219.51 and 110,915.15 is: 153,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,492.44 : 264,219.51 = 110,915.15 : x
  2. Step 2: Convert to fraction form
    191,492.44/264,219.51 = 110,915.15/x
  3. Step 3: Cross multiply
    191,492.44x = 264,219.51 × 110,915.15
  4. Step 4: Simplify right side
    191,492.44x = 29,305,947,245.13
  5. Step 5: Solve for x
    x = 29,305,947,245.13/191,492.44
  6. Step 6: Final answer
    x = 153,039.71

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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.