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Finding the Fourth Proportional to 111,051.96, 153,255.33 and 60,750.96

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Solution

The fourth proportional to 111,051.96, 153,255.33 and 60,750.96 is: 83,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,051.96 : 153,255.33 = 60,750.96 : x
  2. Step 2: Convert to fraction form
    111,051.96/153,255.33 = 60,750.96/x
  3. Step 3: Cross multiply
    111,051.96x = 153,255.33 × 60,750.96
  4. Step 4: Simplify right side
    111,051.96x = 9,310,408,422.62
  5. Step 5: Solve for x
    x = 9,310,408,422.62/111,051.96
  6. Step 6: Final answer
    x = 83,838.31

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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.