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Finding the Fourth Proportional to 265,415.22, 366,309.12 and 156,550.38

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Solution

The fourth proportional to 265,415.22, 366,309.12 and 156,550.38 is: 216,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,415.22 : 366,309.12 = 156,550.38 : x
  2. Step 2: Convert to fraction form
    265,415.22/366,309.12 = 156,550.38/x
  3. Step 3: Cross multiply
    265,415.22x = 366,309.12 × 156,550.38
  4. Step 4: Simplify right side
    265,415.22x = 57,345,831,933.47
  5. Step 5: Solve for x
    x = 57,345,831,933.47/265,415.22
  6. Step 6: Final answer
    x = 216,060.83

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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.