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Finding the Fourth Proportional to 183,959.79, 253,865.52 and 107,483.37

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Solution

The fourth proportional to 183,959.79, 253,865.52 and 107,483.37 is: 148,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,959.79 : 253,865.52 = 107,483.37 : x
  2. Step 2: Convert to fraction form
    183,959.79/253,865.52 = 107,483.37/x
  3. Step 3: Cross multiply
    183,959.79x = 253,865.52 × 107,483.37
  4. Step 4: Simplify right side
    183,959.79x = 27,286,321,616.40
  5. Step 5: Solve for x
    x = 27,286,321,616.40/183,959.79
  6. Step 6: Final answer
    x = 148,327.64

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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.