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Finding the Fourth Proportional to 113,137.68, 169,771.80 and 60,576.48

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Solution

The fourth proportional to 113,137.68, 169,771.80 and 60,576.48 is: 90,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,137.68 : 169,771.80 = 60,576.48 : x
  2. Step 2: Convert to fraction form
    113,137.68/169,771.80 = 60,576.48/x
  3. Step 3: Cross multiply
    113,137.68x = 169,771.80 × 60,576.48
  4. Step 4: Simplify right side
    113,137.68x = 10,284,178,047.26
  5. Step 5: Solve for x
    x = 10,284,178,047.26/113,137.68
  6. Step 6: Final answer
    x = 90,899.67

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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.