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Finding the Fourth Proportional to 170,996.85, 256,509.86 and 44,653.86

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Solution

The fourth proportional to 170,996.85, 256,509.86 and 44,653.86 is: 66,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,996.85 : 256,509.86 = 44,653.86 : x
  2. Step 2: Convert to fraction form
    170,996.85/256,509.86 = 44,653.86/x
  3. Step 3: Cross multiply
    170,996.85x = 256,509.86 × 44,653.86
  4. Step 4: Simplify right side
    170,996.85x = 11,454,155,153.79
  5. Step 5: Solve for x
    x = 11,454,155,153.79/170,996.85
  6. Step 6: Final answer
    x = 66,984.60

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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.