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Finding the Fourth Proportional to 116,325.34, 174,489.09 and 74,801.50

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Solution

The fourth proportional to 116,325.34, 174,489.09 and 74,801.50 is: 112,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,325.34 : 174,489.09 = 74,801.50 : x
  2. Step 2: Convert to fraction form
    116,325.34/174,489.09 = 74,801.50/x
  3. Step 3: Cross multiply
    116,325.34x = 174,489.09 × 74,801.50
  4. Step 4: Simplify right side
    116,325.34x = 13,052,045,665.64
  5. Step 5: Solve for x
    x = 13,052,045,665.64/116,325.34
  6. Step 6: Final answer
    x = 112,202.94

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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.