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Finding the Fourth Proportional to 117,650.39, 176,503.26 and 38,764.61

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Solution

The fourth proportional to 117,650.39, 176,503.26 and 38,764.61 is: 58,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,650.39 : 176,503.26 = 38,764.61 : x
  2. Step 2: Convert to fraction form
    117,650.39/176,503.26 = 38,764.61/x
  3. Step 3: Cross multiply
    117,650.39x = 176,503.26 × 38,764.61
  4. Step 4: Simplify right side
    117,650.39x = 6,842,080,037.63
  5. Step 5: Solve for x
    x = 6,842,080,037.63/117,650.39
  6. Step 6: Final answer
    x = 58,156.03

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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.