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Finding the Fourth Proportional to 111,809.75, 154,300.26 and 60,825.35

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Solution

The fourth proportional to 111,809.75, 154,300.26 and 60,825.35 is: 83,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,809.75 : 154,300.26 = 60,825.35 : x
  2. Step 2: Convert to fraction form
    111,809.75/154,300.26 = 60,825.35/x
  3. Step 3: Cross multiply
    111,809.75x = 154,300.26 × 60,825.35
  4. Step 4: Simplify right side
    111,809.75x = 9,385,367,319.59
  5. Step 5: Solve for x
    x = 9,385,367,319.59/111,809.75
  6. Step 6: Final answer
    x = 83,940.51

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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.