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Finding the Fourth Proportional to 185,488.72, 278,626.48 and 174,690.88

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Solution

The fourth proportional to 185,488.72, 278,626.48 and 174,690.88 is: 262,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,488.72 : 278,626.48 = 174,690.88 : x
  2. Step 2: Convert to fraction form
    185,488.72/278,626.48 = 174,690.88/x
  3. Step 3: Cross multiply
    185,488.72x = 278,626.48 × 174,690.88
  4. Step 4: Simplify right side
    185,488.72x = 48,673,504,982.50
  5. Step 5: Solve for x
    x = 48,673,504,982.50/185,488.72
  6. Step 6: Final answer
    x = 262,406.82

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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.