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Finding the Fourth Proportional to 236,993.61, 355,418.11 and 124,612.86

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Solution

The fourth proportional to 236,993.61, 355,418.11 and 124,612.86 is: 186,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,993.61 : 355,418.11 = 124,612.86 : x
  2. Step 2: Convert to fraction form
    236,993.61/355,418.11 = 124,612.86/x
  3. Step 3: Cross multiply
    236,993.61x = 355,418.11 × 124,612.86
  4. Step 4: Simplify right side
    236,993.61x = 44,289,665,672.64
  5. Step 5: Solve for x
    x = 44,289,665,672.64/236,993.61
  6. Step 6: Final answer
    x = 186,881.27

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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.