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Finding the Fourth Proportional to 172,674.37, 259,048.61 and 97,830.37

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Solution

The fourth proportional to 172,674.37, 259,048.61 and 97,830.37 is: 146,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,674.37 : 259,048.61 = 97,830.37 : x
  2. Step 2: Convert to fraction form
    172,674.37/259,048.61 = 97,830.37/x
  3. Step 3: Cross multiply
    172,674.37x = 259,048.61 × 97,830.37
  4. Step 4: Simplify right side
    172,674.37x = 25,342,821,364.29
  5. Step 5: Solve for x
    x = 25,342,821,364.29/172,674.37
  6. Step 6: Final answer
    x = 146,766.55

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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.