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Finding the Fourth Proportional to 185,802.26, 256,405.70 and 100,919.93

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Solution

The fourth proportional to 185,802.26, 256,405.70 and 100,919.93 is: 139,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,802.26 : 256,405.70 = 100,919.93 : x
  2. Step 2: Convert to fraction form
    185,802.26/256,405.70 = 100,919.93/x
  3. Step 3: Cross multiply
    185,802.26x = 256,405.70 × 100,919.93
  4. Step 4: Simplify right side
    185,802.26x = 25,876,444,265.87
  5. Step 5: Solve for x
    x = 25,876,444,265.87/185,802.26
  6. Step 6: Final answer
    x = 139,268.73

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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.