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Finding the Fourth Proportional to 191,763.37, 264,574.81 and 111,174.82

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Solution

The fourth proportional to 191,763.37, 264,574.81 and 111,174.82 is: 153,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,763.37 : 264,574.81 = 111,174.82 : x
  2. Step 2: Convert to fraction form
    191,763.37/264,574.81 = 111,174.82/x
  3. Step 3: Cross multiply
    191,763.37x = 264,574.81 × 111,174.82
  4. Step 4: Simplify right side
    191,763.37x = 29,414,056,878.28
  5. Step 5: Solve for x
    x = 29,414,056,878.28/191,763.37
  6. Step 6: Final answer
    x = 153,387.25

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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.