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Finding the Fourth Proportional to 212,173.44, 318,260.16 and 101,028.48

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Solution

The fourth proportional to 212,173.44, 318,260.16 and 101,028.48 is: 151,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,173.44 : 318,260.16 = 101,028.48 : x
  2. Step 2: Convert to fraction form
    212,173.44/318,260.16 = 101,028.48/x
  3. Step 3: Cross multiply
    212,173.44x = 318,260.16 × 101,028.48
  4. Step 4: Simplify right side
    212,173.44x = 32,153,340,209.36
  5. Step 5: Solve for x
    x = 32,153,340,209.36/212,173.44
  6. Step 6: Final answer
    x = 151,542.72

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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.