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Finding the Fourth Proportional to 185,337, 278,007.93 and 60,678

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Solution

The fourth proportional to 185,337, 278,007.93 and 60,678 is: 91,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,337 : 278,007.93 = 60,678 : x
  2. Step 2: Convert to fraction form
    185,337/278,007.93 = 60,678/x
  3. Step 3: Cross multiply
    185,337x = 278,007.93 × 60,678
  4. Step 4: Simplify right side
    185,337x = 16,868,965,176.54
  5. Step 5: Solve for x
    x = 16,868,965,176.54/185,337
  6. Step 6: Final answer
    x = 91,017.80

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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.