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Finding the Fourth Proportional to 164,047.44, 246,079.80 and 45,718.32

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Solution

The fourth proportional to 164,047.44, 246,079.80 and 45,718.32 is: 68,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,047.44 : 246,079.80 = 45,718.32 : x
  2. Step 2: Convert to fraction form
    164,047.44/246,079.80 = 45,718.32/x
  3. Step 3: Cross multiply
    164,047.44x = 246,079.80 × 45,718.32
  4. Step 4: Simplify right side
    164,047.44x = 11,250,355,041.94
  5. Step 5: Solve for x
    x = 11,250,355,041.94/164,047.44
  6. Step 6: Final answer
    x = 68,579.89

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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.