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Finding the Fourth Proportional to 185,668.74, 278,489.34 and 59,303.88

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Solution

The fourth proportional to 185,668.74, 278,489.34 and 59,303.88 is: 88,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,668.74 : 278,489.34 = 59,303.88 : x
  2. Step 2: Convert to fraction form
    185,668.74/278,489.34 = 59,303.88/x
  3. Step 3: Cross multiply
    185,668.74x = 278,489.34 × 59,303.88
  4. Step 4: Simplify right side
    185,668.74x = 16,515,498,400.64
  5. Step 5: Solve for x
    x = 16,515,498,400.64/185,668.74
  6. Step 6: Final answer
    x = 88,951.42

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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.