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Finding the Fourth Proportional to 191,816.86, 264,708.40 and 111,292.34

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Solution

The fourth proportional to 191,816.86, 264,708.40 and 111,292.34 is: 153,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,816.86 : 264,708.40 = 111,292.34 : x
  2. Step 2: Convert to fraction form
    191,816.86/264,708.40 = 111,292.34/x
  3. Step 3: Cross multiply
    191,816.86x = 264,708.40 × 111,292.34
  4. Step 4: Simplify right side
    191,816.86x = 29,460,017,253.66
  5. Step 5: Solve for x
    x = 29,460,017,253.66/191,816.86
  6. Step 6: Final answer
    x = 153,584.09

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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.