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Finding the Fourth Proportional to 170,951.62, 256,484.52 and 107,698.72

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Solution

The fourth proportional to 170,951.62, 256,484.52 and 107,698.72 is: 161,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,951.62 : 256,484.52 = 107,698.72 : x
  2. Step 2: Convert to fraction form
    170,951.62/256,484.52 = 107,698.72/x
  3. Step 3: Cross multiply
    170,951.62x = 256,484.52 × 107,698.72
  4. Step 4: Simplify right side
    170,951.62x = 27,623,054,503.81
  5. Step 5: Solve for x
    x = 27,623,054,503.81/170,951.62
  6. Step 6: Final answer
    x = 161,584.05

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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.