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Finding the Fourth Proportional to 110,540.26, 152,661.35 and 76,174.35

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Solution

The fourth proportional to 110,540.26, 152,661.35 and 76,174.35 is: 105,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,540.26 : 152,661.35 = 76,174.35 : x
  2. Step 2: Convert to fraction form
    110,540.26/152,661.35 = 76,174.35/x
  3. Step 3: Cross multiply
    110,540.26x = 152,661.35 × 76,174.35
  4. Step 4: Simplify right side
    110,540.26x = 11,628,878,828.79
  5. Step 5: Solve for x
    x = 11,628,878,828.79/110,540.26
  6. Step 6: Final answer
    x = 105,200.39

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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.