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Finding the Fourth Proportional to 228,761.79, 343,145 and 60,306.28

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Solution

The fourth proportional to 228,761.79, 343,145 and 60,306.28 is: 90,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,761.79 : 343,145 = 60,306.28 : x
  2. Step 2: Convert to fraction form
    228,761.79/343,145 = 60,306.28/x
  3. Step 3: Cross multiply
    228,761.79x = 343,145 × 60,306.28
  4. Step 4: Simplify right side
    228,761.79x = 20,693,798,450.60
  5. Step 5: Solve for x
    x = 20,693,798,450.60/228,761.79
  6. Step 6: Final answer
    x = 90,460.03

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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.