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Finding the Fourth Proportional to 183,858.66, 253,731.56 and 103,284.45

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Solution

The fourth proportional to 183,858.66, 253,731.56 and 103,284.45 is: 142,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,858.66 : 253,731.56 = 103,284.45 : x
  2. Step 2: Convert to fraction form
    183,858.66/253,731.56 = 103,284.45/x
  3. Step 3: Cross multiply
    183,858.66x = 253,731.56 × 103,284.45
  4. Step 4: Simplify right side
    183,858.66x = 26,206,524,105.82
  5. Step 5: Solve for x
    x = 26,206,524,105.82/183,858.66
  6. Step 6: Final answer
    x = 142,536.25

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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.