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Finding the Fourth Proportional to 265,390.30, 366,268.88 and 157,960.68

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Solution

The fourth proportional to 265,390.30, 366,268.88 and 157,960.68 is: 218,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,390.30 : 366,268.88 = 157,960.68 : x
  2. Step 2: Convert to fraction form
    265,390.30/366,268.88 = 157,960.68/x
  3. Step 3: Cross multiply
    265,390.30x = 366,268.88 × 157,960.68
  4. Step 4: Simplify right side
    265,390.30x = 57,856,081,347.64
  5. Step 5: Solve for x
    x = 57,856,081,347.64/265,390.30
  6. Step 6: Final answer
    x = 218,003.75

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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.