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Finding the Fourth Proportional to 236,695.79, 326,423.84 and 185,019.72

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Solution

The fourth proportional to 236,695.79, 326,423.84 and 185,019.72 is: 255,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,695.79 : 326,423.84 = 185,019.72 : x
  2. Step 2: Convert to fraction form
    236,695.79/326,423.84 = 185,019.72/x
  3. Step 3: Cross multiply
    236,695.79x = 326,423.84 × 185,019.72
  4. Step 4: Simplify right side
    236,695.79x = 60,394,846,553.03
  5. Step 5: Solve for x
    x = 60,394,846,553.03/236,695.79
  6. Step 6: Final answer
    x = 255,158.10

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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.