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Finding the Fourth Proportional to 236,065.40, 353,234.10 and 173,857.40

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Solution

The fourth proportional to 236,065.40, 353,234.10 and 173,857.40 is: 260,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,065.40 : 353,234.10 = 173,857.40 : x
  2. Step 2: Convert to fraction form
    236,065.40/353,234.10 = 173,857.40/x
  3. Step 3: Cross multiply
    236,065.40x = 353,234.10 × 173,857.40
  4. Step 4: Simplify right side
    236,065.40x = 61,412,362,217.34
  5. Step 5: Solve for x
    x = 61,412,362,217.34/236,065.40
  6. Step 6: Final answer
    x = 260,149.78

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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.