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Finding the Fourth Proportional to 189,199.01, 283,218.94 and 122,506.45

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Solution

The fourth proportional to 189,199.01, 283,218.94 and 122,506.45 is: 183,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,199.01 : 283,218.94 = 122,506.45 : x
  2. Step 2: Convert to fraction form
    189,199.01/283,218.94 = 122,506.45/x
  3. Step 3: Cross multiply
    189,199.01x = 283,218.94 × 122,506.45
  4. Step 4: Simplify right side
    189,199.01x = 34,696,146,912.16
  5. Step 5: Solve for x
    x = 34,696,146,912.16/189,199.01
  6. Step 6: Final answer
    x = 183,384.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.