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Finding the Fourth Proportional to 265,343.78, 366,174.14 and 144,485.91

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Solution

The fourth proportional to 265,343.78, 366,174.14 and 144,485.91 is: 199,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,343.78 : 366,174.14 = 144,485.91 : x
  2. Step 2: Convert to fraction form
    265,343.78/366,174.14 = 144,485.91/x
  3. Step 3: Cross multiply
    265,343.78x = 366,174.14 × 144,485.91
  4. Step 4: Simplify right side
    265,343.78x = 52,907,003,113.94
  5. Step 5: Solve for x
    x = 52,907,003,113.94/265,343.78
  6. Step 6: Final answer
    x = 199,390.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.