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Finding the Fourth Proportional to 101,896.40, 152,844.60 and 101,313.20

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Solution

The fourth proportional to 101,896.40, 152,844.60 and 101,313.20 is: 151,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,896.40 : 152,844.60 = 101,313.20 : x
  2. Step 2: Convert to fraction form
    101,896.40/152,844.60 = 101,313.20/x
  3. Step 3: Cross multiply
    101,896.40x = 152,844.60 × 101,313.20
  4. Step 4: Simplify right side
    101,896.40x = 15,485,175,528.72
  5. Step 5: Solve for x
    x = 15,485,175,528.72/101,896.40
  6. Step 6: Final answer
    x = 151,969.80

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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.