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Finding the Fourth Proportional to 239,273.88, 359,132.76 and 121,029

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Solution

The fourth proportional to 239,273.88, 359,132.76 and 121,029 is: 181,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,273.88 : 359,132.76 = 121,029 : x
  2. Step 2: Convert to fraction form
    239,273.88/359,132.76 = 121,029/x
  3. Step 3: Cross multiply
    239,273.88x = 359,132.76 × 121,029
  4. Step 4: Simplify right side
    239,273.88x = 43,465,478,810.04
  5. Step 5: Solve for x
    x = 43,465,478,810.04/239,273.88
  6. Step 6: Final answer
    x = 181,655.76

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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.