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Finding the Fourth Proportional to 228,173.56, 314,851.56 and 126,185.24

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Solution

The fourth proportional to 228,173.56, 314,851.56 and 126,185.24 is: 174,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,173.56 : 314,851.56 = 126,185.24 : x
  2. Step 2: Convert to fraction form
    228,173.56/314,851.56 = 126,185.24/x
  3. Step 3: Cross multiply
    228,173.56x = 314,851.56 × 126,185.24
  4. Step 4: Simplify right side
    228,173.56x = 39,729,619,976.91
  5. Step 5: Solve for x
    x = 39,729,619,976.91/228,173.56
  6. Step 6: Final answer
    x = 174,120.18

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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.