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Finding the Fourth Proportional to 179,690.04, 269,174.21 and 89,460.90

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Solution

The fourth proportional to 179,690.04, 269,174.21 and 89,460.90 is: 134,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,690.04 : 269,174.21 = 89,460.90 : x
  2. Step 2: Convert to fraction form
    179,690.04/269,174.21 = 89,460.90/x
  3. Step 3: Cross multiply
    179,690.04x = 269,174.21 × 89,460.90
  4. Step 4: Simplify right side
    179,690.04x = 24,080,566,636.08
  5. Step 5: Solve for x
    x = 24,080,566,636.08/179,690.04
  6. Step 6: Final answer
    x = 134,011.69

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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.