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Finding the Fourth Proportional to 222,368.00, 306,870.23 and 120,395.57

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Solution

The fourth proportional to 222,368.00, 306,870.23 and 120,395.57 is: 166,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,368.00 : 306,870.23 = 120,395.57 : x
  2. Step 2: Convert to fraction form
    222,368.00/306,870.23 = 120,395.57/x
  3. Step 3: Cross multiply
    222,368.00x = 306,870.23 × 120,395.57
  4. Step 4: Simplify right side
    222,368.00x = 36,945,815,023.52
  5. Step 5: Solve for x
    x = 36,945,815,023.52/222,368.00
  6. Step 6: Final answer
    x = 166,147.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.