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Finding the Fourth Proportional to 241,706.16, 362,186.64 and 129,401.28

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Solution

The fourth proportional to 241,706.16, 362,186.64 and 129,401.28 is: 193,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,706.16 : 362,186.64 = 129,401.28 : x
  2. Step 2: Convert to fraction form
    241,706.16/362,186.64 = 129,401.28/x
  3. Step 3: Cross multiply
    241,706.16x = 362,186.64 × 129,401.28
  4. Step 4: Simplify right side
    241,706.16x = 46,867,414,814.90
  5. Step 5: Solve for x
    x = 46,867,414,814.90/241,706.16
  6. Step 6: Final answer
    x = 193,902.44

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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.