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Finding the Fourth Proportional to 191,608.53, 264,419.83 and 111,082.74

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Solution

The fourth proportional to 191,608.53, 264,419.83 and 111,082.74 is: 153,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,608.53 : 264,419.83 = 111,082.74 : x
  2. Step 2: Convert to fraction form
    191,608.53/264,419.83 = 111,082.74/x
  3. Step 3: Cross multiply
    191,608.53x = 264,419.83 × 111,082.74
  4. Step 4: Simplify right side
    191,608.53x = 29,372,479,226.73
  5. Step 5: Solve for x
    x = 29,372,479,226.73/191,608.53
  6. Step 6: Final answer
    x = 153,294.22

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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.