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Finding the Fourth Proportional to 124,583.67, 186,889.48 and 45,697.67

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Solution

The fourth proportional to 124,583.67, 186,889.48 and 45,697.67 is: 68,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,583.67 : 186,889.48 = 45,697.67 : x
  2. Step 2: Convert to fraction form
    124,583.67/186,889.48 = 45,697.67/x
  3. Step 3: Cross multiply
    124,583.67x = 186,889.48 × 45,697.67
  4. Step 4: Simplify right side
    124,583.67x = 8,540,413,435.66
  5. Step 5: Solve for x
    x = 8,540,413,435.66/124,583.67
  6. Step 6: Final answer
    x = 68,551.63

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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.