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Finding the Fourth Proportional to 445,835.00, 668,803.28 and 161,659.41

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Solution

The fourth proportional to 445,835.00, 668,803.28 and 161,659.41 is: 242,507.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,835.00 : 668,803.28 = 161,659.41 : x
  2. Step 2: Convert to fraction form
    445,835.00/668,803.28 = 161,659.41/x
  3. Step 3: Cross multiply
    445,835.00x = 668,803.28 × 161,659.41
  4. Step 4: Simplify right side
    445,835.00x = 108,118,342,842.57
  5. Step 5: Solve for x
    x = 108,118,342,842.57/445,835.00
  6. Step 6: Final answer
    x = 242,507.53

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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.