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Finding the Fourth Proportional to 265,728.15, 366,696.27 and 144,867.51

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Solution

The fourth proportional to 265,728.15, 366,696.27 and 144,867.51 is: 199,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,728.15 : 366,696.27 = 144,867.51 : x
  2. Step 2: Convert to fraction form
    265,728.15/366,696.27 = 144,867.51/x
  3. Step 3: Cross multiply
    265,728.15x = 366,696.27 × 144,867.51
  4. Step 4: Simplify right side
    265,728.15x = 53,122,375,561.19
  5. Step 5: Solve for x
    x = 53,122,375,561.19/265,728.15
  6. Step 6: Final answer
    x = 199,912.49

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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.