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Finding the Fourth Proportional to 185,374.86, 255,825.82 and 104,805.78

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Solution

The fourth proportional to 185,374.86, 255,825.82 and 104,805.78 is: 144,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,374.86 : 255,825.82 = 104,805.78 : x
  2. Step 2: Convert to fraction form
    185,374.86/255,825.82 = 104,805.78/x
  3. Step 3: Cross multiply
    185,374.86x = 255,825.82 × 104,805.78
  4. Step 4: Simplify right side
    185,374.86x = 26,812,024,609.24
  5. Step 5: Solve for x
    x = 26,812,024,609.24/185,374.86
  6. Step 6: Final answer
    x = 144,636.79

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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.