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Finding the Fourth Proportional to 251,722.35, 377,432.73 and 170,768.79

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Solution

The fourth proportional to 251,722.35, 377,432.73 and 170,768.79 is: 256,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,722.35 : 377,432.73 = 170,768.79 : x
  2. Step 2: Convert to fraction form
    251,722.35/377,432.73 = 170,768.79/x
  3. Step 3: Cross multiply
    251,722.35x = 377,432.73 × 170,768.79
  4. Step 4: Simplify right side
    251,722.35x = 64,453,730,608.50
  5. Step 5: Solve for x
    x = 64,453,730,608.50/251,722.35
  6. Step 6: Final answer
    x = 256,050.89

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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.