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Finding the Fourth Proportional to 146,215.00, 219,343.44 and 45,021.63

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Solution

The fourth proportional to 146,215.00, 219,343.44 and 45,021.63 is: 67,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,215.00 : 219,343.44 = 45,021.63 : x
  2. Step 2: Convert to fraction form
    146,215.00/219,343.44 = 45,021.63/x
  3. Step 3: Cross multiply
    146,215.00x = 219,343.44 × 45,021.63
  4. Step 4: Simplify right side
    146,215.00x = 9,875,200,189.98
  5. Step 5: Solve for x
    x = 9,875,200,189.98/146,215.00
  6. Step 6: Final answer
    x = 67,538.90

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1.5x scale

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.