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Finding the Fourth Proportional to 185,007.42, 277,510.68 and 72,609.03

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Solution

The fourth proportional to 185,007.42, 277,510.68 and 72,609.03 is: 108,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,007.42 : 277,510.68 = 72,609.03 : x
  2. Step 2: Convert to fraction form
    185,007.42/277,510.68 = 72,609.03/x
  3. Step 3: Cross multiply
    185,007.42x = 277,510.68 × 72,609.03
  4. Step 4: Simplify right side
    185,007.42x = 20,149,781,289.44
  5. Step 5: Solve for x
    x = 20,149,781,289.44/185,007.42
  6. Step 6: Final answer
    x = 108,913.37

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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.