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Finding the Fourth Proportional to 239,719.94, 359,800.77 and 121,475.06

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Solution

The fourth proportional to 239,719.94, 359,800.77 and 121,475.06 is: 182,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,719.94 : 359,800.77 = 121,475.06 : x
  2. Step 2: Convert to fraction form
    239,719.94/359,800.77 = 121,475.06/x
  3. Step 3: Cross multiply
    239,719.94x = 359,800.77 × 121,475.06
  4. Step 4: Simplify right side
    239,719.94x = 43,706,820,123.80
  5. Step 5: Solve for x
    x = 43,706,820,123.80/239,719.94
  6. Step 6: Final answer
    x = 182,324.51

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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.