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Finding the Fourth Proportional to 146,840.87, 220,288.87 and 46,974.25

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Solution

The fourth proportional to 146,840.87, 220,288.87 and 46,974.25 is: 70,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,840.87 : 220,288.87 = 46,974.25 : x
  2. Step 2: Convert to fraction form
    146,840.87/220,288.87 = 46,974.25/x
  3. Step 3: Cross multiply
    146,840.87x = 220,288.87 × 46,974.25
  4. Step 4: Simplify right side
    146,840.87x = 10,347,903,282.32
  5. Step 5: Solve for x
    x = 10,347,903,282.32/146,840.87
  6. Step 6: Final answer
    x = 70,470.19

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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.