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Finding the Fourth Proportional to 334,073.52, 501,139.42 and 84,755.52

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Solution

The fourth proportional to 334,073.52, 501,139.42 and 84,755.52 is: 127,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,073.52 : 501,139.42 = 84,755.52 : x
  2. Step 2: Convert to fraction form
    334,073.52/501,139.42 = 84,755.52/x
  3. Step 3: Cross multiply
    334,073.52x = 501,139.42 × 84,755.52
  4. Step 4: Simplify right side
    334,073.52x = 42,474,332,134.60
  5. Step 5: Solve for x
    x = 42,474,332,134.60/334,073.52
  6. Step 6: Final answer
    x = 127,140.67

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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.