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Finding the Fourth Proportional to 179,889.41, 269,809.47 and 53,549.15

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Solution

The fourth proportional to 179,889.41, 269,809.47 and 53,549.15 is: 80,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,889.41 : 269,809.47 = 53,549.15 : x
  2. Step 2: Convert to fraction form
    179,889.41/269,809.47 = 53,549.15/x
  3. Step 3: Cross multiply
    179,889.41x = 269,809.47 × 53,549.15
  4. Step 4: Simplify right side
    179,889.41x = 14,448,066,431.40
  5. Step 5: Solve for x
    x = 14,448,066,431.40/179,889.41
  6. Step 6: Final answer
    x = 80,316.38

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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.