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Finding the Fourth Proportional to 191,909.14, 264,837.36 and 111,361.02

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Solution

The fourth proportional to 191,909.14, 264,837.36 and 111,361.02 is: 153,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909.14 : 264,837.36 = 111,361.02 : x
  2. Step 2: Convert to fraction form
    191,909.14/264,837.36 = 111,361.02/x
  3. Step 3: Cross multiply
    191,909.14x = 264,837.36 × 111,361.02
  4. Step 4: Simplify right side
    191,909.14x = 29,492,556,662.72
  5. Step 5: Solve for x
    x = 29,492,556,662.72/191,909.14
  6. Step 6: Final answer
    x = 153,679.80

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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.