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Finding the Fourth Proportional to 179,835.60, 269,715.60 and 91,005.60

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Solution

The fourth proportional to 179,835.60, 269,715.60 and 91,005.60 is: 136,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,835.60 : 269,715.60 = 91,005.60 : x
  2. Step 2: Convert to fraction form
    179,835.60/269,715.60 = 91,005.60/x
  3. Step 3: Cross multiply
    179,835.60x = 269,715.60 × 91,005.60
  4. Step 4: Simplify right side
    179,835.60x = 24,545,630,007.36
  5. Step 5: Solve for x
    x = 24,545,630,007.36/179,835.60
  6. Step 6: Final answer
    x = 136,489.27

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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.