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Finding the Fourth Proportional to 110,912.75, 153,048.62 and 67,904.37

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Solution

The fourth proportional to 110,912.75, 153,048.62 and 67,904.37 is: 93,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,912.75 : 153,048.62 = 67,904.37 : x
  2. Step 2: Convert to fraction form
    110,912.75/153,048.62 = 67,904.37/x
  3. Step 3: Cross multiply
    110,912.75x = 153,048.62 × 67,904.37
  4. Step 4: Simplify right side
    110,912.75x = 10,392,670,120.47
  5. Step 5: Solve for x
    x = 10,392,670,120.47/110,912.75
  6. Step 6: Final answer
    x = 93,701.31

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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.