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Finding the Fourth Proportional to 191,759.67, 264,621.13 and 111,190.59

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Solution

The fourth proportional to 191,759.67, 264,621.13 and 111,190.59 is: 153,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,759.67 : 264,621.13 = 111,190.59 : x
  2. Step 2: Convert to fraction form
    191,759.67/264,621.13 = 111,190.59/x
  3. Step 3: Cross multiply
    191,759.67x = 264,621.13 × 111,190.59
  4. Step 4: Simplify right side
    191,759.67x = 29,423,379,293.19
  5. Step 5: Solve for x
    x = 29,423,379,293.19/191,759.67
  6. Step 6: Final answer
    x = 153,438.83

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1.5x scale

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.