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Finding the Fourth Proportional to 191,515.59, 264,219.67 and 110,913.71

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Solution

The fourth proportional to 191,515.59, 264,219.67 and 110,913.71 is: 153,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,515.59 : 264,219.67 = 110,913.71 : x
  2. Step 2: Convert to fraction form
    191,515.59/264,219.67 = 110,913.71/x
  3. Step 3: Cross multiply
    191,515.59x = 264,219.67 × 110,913.71
  4. Step 4: Simplify right side
    191,515.59x = 29,305,582,672.22
  5. Step 5: Solve for x
    x = 29,305,582,672.22/191,515.59
  6. Step 6: Final answer
    x = 153,019.31

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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.