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Finding the Fourth Proportional to 110,786.96, 152,885.22 and 60,485.96

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Solution

The fourth proportional to 110,786.96, 152,885.22 and 60,485.96 is: 83,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,786.96 : 152,885.22 = 60,485.96 : x
  2. Step 2: Convert to fraction form
    110,786.96/152,885.22 = 60,485.96/x
  3. Step 3: Cross multiply
    110,786.96x = 152,885.22 × 60,485.96
  4. Step 4: Simplify right side
    110,786.96x = 9,247,409,301.51
  5. Step 5: Solve for x
    x = 9,247,409,301.51/110,786.96
  6. Step 6: Final answer
    x = 83,470.20

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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.