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Finding the Fourth Proportional to 168,498.63, 232,603.79 and 111,171.69

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Solution

The fourth proportional to 168,498.63, 232,603.79 and 111,171.69 is: 153,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,498.63 : 232,603.79 = 111,171.69 : x
  2. Step 2: Convert to fraction form
    168,498.63/232,603.79 = 111,171.69/x
  3. Step 3: Cross multiply
    168,498.63x = 232,603.79 × 111,171.69
  4. Step 4: Simplify right side
    168,498.63x = 25,858,955,878.85
  5. Step 5: Solve for x
    x = 25,858,955,878.85/168,498.63
  6. Step 6: Final answer
    x = 153,466.86

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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.