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Finding the Fourth Proportional to 265,950.56, 366,961.66 and 158,530.59

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Solution

The fourth proportional to 265,950.56, 366,961.66 and 158,530.59 is: 218,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,950.56 : 366,961.66 = 158,530.59 : x
  2. Step 2: Convert to fraction form
    265,950.56/366,961.66 = 158,530.59/x
  3. Step 3: Cross multiply
    265,950.56x = 366,961.66 × 158,530.59
  4. Step 4: Simplify right side
    265,950.56x = 58,174,648,070.85
  5. Step 5: Solve for x
    x = 58,174,648,070.85/265,950.56
  6. Step 6: Final answer
    x = 218,742.34

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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.