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Finding the Fourth Proportional to 111,352.20, 167,028.30 and 97,528.20

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Solution

The fourth proportional to 111,352.20, 167,028.30 and 97,528.20 is: 146,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,352.20 : 167,028.30 = 97,528.20 : x
  2. Step 2: Convert to fraction form
    111,352.20/167,028.30 = 97,528.20/x
  3. Step 3: Cross multiply
    111,352.20x = 167,028.30 × 97,528.20
  4. Step 4: Simplify right side
    111,352.20x = 16,289,969,448.06
  5. Step 5: Solve for x
    x = 16,289,969,448.06/111,352.20
  6. Step 6: Final answer
    x = 146,292.30

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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.