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Finding the Fourth Proportional to 183,959.56, 253,760.32 and 115,859.51

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Solution

The fourth proportional to 183,959.56, 253,760.32 and 115,859.51 is: 159,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,959.56 : 253,760.32 = 115,859.51 : x
  2. Step 2: Convert to fraction form
    183,959.56/253,760.32 = 115,859.51/x
  3. Step 3: Cross multiply
    183,959.56x = 253,760.32 × 115,859.51
  4. Step 4: Simplify right side
    183,959.56x = 29,400,547,261.81
  5. Step 5: Solve for x
    x = 29,400,547,261.81/183,959.56
  6. Step 6: Final answer
    x = 159,820.71

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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.