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Finding the Fourth Proportional to 111,994.40, 169,028.60 and 111,994.40

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Solution

The fourth proportional to 111,994.40, 169,028.60 and 111,994.40 is: 169,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,994.40 : 169,028.60 = 111,994.40 : x
  2. Step 2: Convert to fraction form
    111,994.40/169,028.60 = 111,994.40/x
  3. Step 3: Cross multiply
    111,994.40x = 169,028.60 × 111,994.40
  4. Step 4: Simplify right side
    111,994.40x = 18,930,256,639.84
  5. Step 5: Solve for x
    x = 18,930,256,639.84/111,994.40
  6. Step 6: Final answer
    x = 169,028.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.