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Finding the Fourth Proportional to 146,064.60, 218,751.30 and 146,064.60

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Solution

The fourth proportional to 146,064.60, 218,751.30 and 146,064.60 is: 218,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,064.60 : 218,751.30 = 146,064.60 : x
  2. Step 2: Convert to fraction form
    146,064.60/218,751.30 = 146,064.60/x
  3. Step 3: Cross multiply
    146,064.60x = 218,751.30 × 146,064.60
  4. Step 4: Simplify right side
    146,064.60x = 31,951,821,133.98
  5. Step 5: Solve for x
    x = 31,951,821,133.98/146,064.60
  6. Step 6: Final answer
    x = 218,751.30

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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.