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Finding the Fourth Proportional to 265,671.76, 366,634 and 163,764.56

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Solution

The fourth proportional to 265,671.76, 366,634 and 163,764.56 is: 225,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,671.76 : 366,634 = 163,764.56 : x
  2. Step 2: Convert to fraction form
    265,671.76/366,634 = 163,764.56/x
  3. Step 3: Cross multiply
    265,671.76x = 366,634 × 163,764.56
  4. Step 4: Simplify right side
    265,671.76x = 60,041,655,691.04
  5. Step 5: Solve for x
    x = 60,041,655,691.04/265,671.76
  6. Step 6: Final answer
    x = 225,999.39

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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.