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Finding the Fourth Proportional to 111,257.44, 153,483.84 and 98,523.60

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Solution

The fourth proportional to 111,257.44, 153,483.84 and 98,523.60 is: 135,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,257.44 : 153,483.84 = 98,523.60 : x
  2. Step 2: Convert to fraction form
    111,257.44/153,483.84 = 98,523.60/x
  3. Step 3: Cross multiply
    111,257.44x = 153,483.84 × 98,523.60
  4. Step 4: Simplify right side
    111,257.44x = 15,121,780,458.62
  5. Step 5: Solve for x
    x = 15,121,780,458.62/111,257.44
  6. Step 6: Final answer
    x = 135,917.03

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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.