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Finding the Fourth Proportional to 265,768.86, 366,849.90 and 158,372.58

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Solution

The fourth proportional to 265,768.86, 366,849.90 and 158,372.58 is: 218,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,768.86 : 366,849.90 = 158,372.58 : x
  2. Step 2: Convert to fraction form
    265,768.86/366,849.90 = 158,372.58/x
  3. Step 3: Cross multiply
    265,768.86x = 366,849.90 × 158,372.58
  4. Step 4: Simplify right side
    265,768.86x = 58,098,965,135.74
  5. Step 5: Solve for x
    x = 58,098,965,135.74/265,768.86
  6. Step 6: Final answer
    x = 218,607.12

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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.