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Finding the Fourth Proportional to 185,325.80, 277,988.70 and 170,891.60

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Solution

The fourth proportional to 185,325.80, 277,988.70 and 170,891.60 is: 256,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,325.80 : 277,988.70 = 170,891.60 : x
  2. Step 2: Convert to fraction form
    185,325.80/277,988.70 = 170,891.60/x
  3. Step 3: Cross multiply
    185,325.80x = 277,988.70 × 170,891.60
  4. Step 4: Simplify right side
    185,325.80x = 47,505,933,724.92
  5. Step 5: Solve for x
    x = 47,505,933,724.92/185,325.80
  6. Step 6: Final answer
    x = 256,337.40

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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.