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Finding the Fourth Proportional to 191,610.48, 264,422.54 and 111,084.68

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Solution

The fourth proportional to 191,610.48, 264,422.54 and 111,084.68 is: 153,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,610.48 : 264,422.54 = 111,084.68 : x
  2. Step 2: Convert to fraction form
    191,610.48/264,422.54 = 111,084.68/x
  3. Step 3: Cross multiply
    191,610.48x = 264,422.54 × 111,084.68
  4. Step 4: Simplify right side
    191,610.48x = 29,373,291,363.15
  5. Step 5: Solve for x
    x = 29,373,291,363.15/191,610.48
  6. Step 6: Final answer
    x = 153,296.89

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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.