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Finding the Fourth Proportional to 183,458.31, 253,064.97 and 115,367.28

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Solution

The fourth proportional to 183,458.31, 253,064.97 and 115,367.28 is: 159,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,458.31 : 253,064.97 = 115,367.28 : x
  2. Step 2: Convert to fraction form
    183,458.31/253,064.97 = 115,367.28/x
  3. Step 3: Cross multiply
    183,458.31x = 253,064.97 × 115,367.28
  4. Step 4: Simplify right side
    183,458.31x = 29,195,417,252.18
  5. Step 5: Solve for x
    x = 29,195,417,252.18/183,458.31
  6. Step 6: Final answer
    x = 159,139.25

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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.