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Finding the Fourth Proportional to 265,840.61, 366,845.40 and 151,103.30

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Solution

The fourth proportional to 265,840.61, 366,845.40 and 151,103.30 is: 208,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,840.61 : 366,845.40 = 151,103.30 : x
  2. Step 2: Convert to fraction form
    265,840.61/366,845.40 = 151,103.30/x
  3. Step 3: Cross multiply
    265,840.61x = 366,845.40 × 151,103.30
  4. Step 4: Simplify right side
    265,840.61x = 55,431,548,695.59
  5. Step 5: Solve for x
    x = 55,431,548,695.59/265,840.61
  6. Step 6: Final answer
    x = 208,514.23

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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.