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Finding the Fourth Proportional to 185,379.96, 255,824.63 and 100,497.03

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Solution

The fourth proportional to 185,379.96, 255,824.63 and 100,497.03 is: 138,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,379.96 : 255,824.63 = 100,497.03 : x
  2. Step 2: Convert to fraction form
    185,379.96/255,824.63 = 100,497.03/x
  3. Step 3: Cross multiply
    185,379.96x = 255,824.63 × 100,497.03
  4. Step 4: Simplify right side
    185,379.96x = 25,709,615,515.85
  5. Step 5: Solve for x
    x = 25,709,615,515.85/185,379.96
  6. Step 6: Final answer
    x = 138,686.06

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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.