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Finding the Fourth Proportional to 233,953.56, 350,959.50 and 76,139.64

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Solution

The fourth proportional to 233,953.56, 350,959.50 and 76,139.64 is: 114,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,953.56 : 350,959.50 = 76,139.64 : x
  2. Step 2: Convert to fraction form
    233,953.56/350,959.50 = 76,139.64/x
  3. Step 3: Cross multiply
    233,953.56x = 350,959.50 × 76,139.64
  4. Step 4: Simplify right side
    233,953.56x = 26,721,929,984.58
  5. Step 5: Solve for x
    x = 26,721,929,984.58/233,953.56
  6. Step 6: Final answer
    x = 114,218.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.