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Finding the Fourth Proportional to 179,837.60, 269,718.60 and 91,007.60

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Solution

The fourth proportional to 179,837.60, 269,718.60 and 91,007.60 is: 136,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,837.60 : 269,718.60 = 91,007.60 : x
  2. Step 2: Convert to fraction form
    179,837.60/269,718.60 = 91,007.60/x
  3. Step 3: Cross multiply
    179,837.60x = 269,718.60 × 91,007.60
  4. Step 4: Simplify right side
    179,837.60x = 24,546,442,461.36
  5. Step 5: Solve for x
    x = 24,546,442,461.36/179,837.60
  6. Step 6: Final answer
    x = 136,492.27

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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.