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Finding the Fourth Proportional to 185,251.51, 255,645.48 and 100,368.37

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Solution

The fourth proportional to 185,251.51, 255,645.48 and 100,368.37 is: 138,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,251.51 : 255,645.48 = 100,368.37 : x
  2. Step 2: Convert to fraction form
    185,251.51/255,645.48 = 100,368.37/x
  3. Step 3: Cross multiply
    185,251.51x = 255,645.48 × 100,368.37
  4. Step 4: Simplify right side
    185,251.51x = 25,658,720,125.47
  5. Step 5: Solve for x
    x = 25,658,720,125.47/185,251.51
  6. Step 6: Final answer
    x = 138,507.48

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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.