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Finding the Fourth Proportional to 111,457.25, 167,195.60 and 28,351.25

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Solution

The fourth proportional to 111,457.25, 167,195.60 and 28,351.25 is: 42,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,457.25 : 167,195.60 = 28,351.25 : x
  2. Step 2: Convert to fraction form
    111,457.25/167,195.60 = 28,351.25/x
  3. Step 3: Cross multiply
    111,457.25x = 167,195.60 × 28,351.25
  4. Step 4: Simplify right side
    111,457.25x = 4,740,204,112.74
  5. Step 5: Solve for x
    x = 4,740,204,112.74/111,457.25
  6. Step 6: Final answer
    x = 42,529.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.