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Finding the Fourth Proportional to 185,245.67, 255,635.69 and 104,671.47

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Solution

The fourth proportional to 185,245.67, 255,635.69 and 104,671.47 is: 144,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,245.67 : 255,635.69 = 104,671.47 : x
  2. Step 2: Convert to fraction form
    185,245.67/255,635.69 = 104,671.47/x
  3. Step 3: Cross multiply
    185,245.67x = 255,635.69 × 104,671.47
  4. Step 4: Simplify right side
    185,245.67x = 26,757,762,933.41
  5. Step 5: Solve for x
    x = 26,757,762,933.41/185,245.67
  6. Step 6: Final answer
    x = 144,444.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.