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Finding the Fourth Proportional to 148,581, 222,619.93 and 106,246.15

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Solution

The fourth proportional to 148,581, 222,619.93 and 106,246.15 is: 159,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,581 : 222,619.93 = 106,246.15 : x
  2. Step 2: Convert to fraction form
    148,581/222,619.93 = 106,246.15/x
  3. Step 3: Cross multiply
    148,581x = 222,619.93 × 106,246.15
  4. Step 4: Simplify right side
    148,581x = 23,652,509,653.60
  5. Step 5: Solve for x
    x = 23,652,509,653.60/148,581
  6. Step 6: Final answer
    x = 159,189.33

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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.