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Finding the Fourth Proportional to 110,627.58, 152,622.75 and 68,112.30

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Solution

The fourth proportional to 110,627.58, 152,622.75 and 68,112.30 is: 93,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,627.58 : 152,622.75 = 68,112.30 : x
  2. Step 2: Convert to fraction form
    110,627.58/152,622.75 = 68,112.30/x
  3. Step 3: Cross multiply
    110,627.58x = 152,622.75 × 68,112.30
  4. Step 4: Simplify right side
    110,627.58x = 10,395,486,534.83
  5. Step 5: Solve for x
    x = 10,395,486,534.83/110,627.58
  6. Step 6: Final answer
    x = 93,968.31

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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.