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Finding the Fourth Proportional to 185,126.40, 277,527.60 and 125,769.60

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Solution

The fourth proportional to 185,126.40, 277,527.60 and 125,769.60 is: 188,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,126.40 : 277,527.60 = 125,769.60 : x
  2. Step 2: Convert to fraction form
    185,126.40/277,527.60 = 125,769.60/x
  3. Step 3: Cross multiply
    185,126.40x = 277,527.60 × 125,769.60
  4. Step 4: Simplify right side
    185,126.40x = 34,904,535,240.96
  5. Step 5: Solve for x
    x = 34,904,535,240.96/185,126.40
  6. Step 6: Final answer
    x = 188,544.34

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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.