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Finding the Fourth Proportional to 115,506.76, 173,266.28 and 36,627.20

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Solution

The fourth proportional to 115,506.76, 173,266.28 and 36,627.20 is: 54,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,506.76 : 173,266.28 = 36,627.20 : x
  2. Step 2: Convert to fraction form
    115,506.76/173,266.28 = 36,627.20/x
  3. Step 3: Cross multiply
    115,506.76x = 173,266.28 × 36,627.20
  4. Step 4: Simplify right side
    115,506.76x = 6,346,258,690.82
  5. Step 5: Solve for x
    x = 6,346,258,690.82/115,506.76
  6. Step 6: Final answer
    x = 54,942.75

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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.