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Finding the Fourth Proportional to 185,488.99, 278,245.06 and 52,379.46

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Solution

The fourth proportional to 185,488.99, 278,245.06 and 52,379.46 is: 78,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,488.99 : 278,245.06 = 52,379.46 : x
  2. Step 2: Convert to fraction form
    185,488.99/278,245.06 = 52,379.46/x
  3. Step 3: Cross multiply
    185,488.99x = 278,245.06 × 52,379.46
  4. Step 4: Simplify right side
    185,488.99x = 14,574,325,859.52
  5. Step 5: Solve for x
    x = 14,574,325,859.52/185,488.99
  6. Step 6: Final answer
    x = 78,572.46

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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.