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Finding the Fourth Proportional to 248,114.52, 372,003.32 and 126,235.52

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Solution

The fourth proportional to 248,114.52, 372,003.32 and 126,235.52 is: 189,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,114.52 : 372,003.32 = 126,235.52 : x
  2. Step 2: Convert to fraction form
    248,114.52/372,003.32 = 126,235.52/x
  3. Step 3: Cross multiply
    248,114.52x = 372,003.32 × 126,235.52
  4. Step 4: Simplify right side
    248,114.52x = 46,960,032,541.93
  5. Step 5: Solve for x
    x = 46,960,032,541.93/248,114.52
  6. Step 6: Final answer
    x = 189,267.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.