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Finding the Fourth Proportional to 265,751.49, 366,723.15 and 151,014.78

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Solution

The fourth proportional to 265,751.49, 366,723.15 and 151,014.78 is: 208,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,751.49 : 366,723.15 = 151,014.78 : x
  2. Step 2: Convert to fraction form
    265,751.49/366,723.15 = 151,014.78/x
  3. Step 3: Cross multiply
    265,751.49x = 366,723.15 × 151,014.78
  4. Step 4: Simplify right side
    265,751.49x = 55,380,615,818.16
  5. Step 5: Solve for x
    x = 55,380,615,818.16/265,751.49
  6. Step 6: Final answer
    x = 208,392.49

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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.