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Finding the Fourth Proportional to 110,847.54, 152,969.75 and 63,100.84

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Solution

The fourth proportional to 110,847.54, 152,969.75 and 63,100.84 is: 87,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,847.54 : 152,969.75 = 63,100.84 : x
  2. Step 2: Convert to fraction form
    110,847.54/152,969.75 = 63,100.84/x
  3. Step 3: Cross multiply
    110,847.54x = 152,969.75 × 63,100.84
  4. Step 4: Simplify right side
    110,847.54x = 9,652,519,719.59
  5. Step 5: Solve for x
    x = 9,652,519,719.59/110,847.54
  6. Step 6: Final answer
    x = 87,079.24

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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.