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Finding the Fourth Proportional to 239,550.54, 359,361.70 and 77,390.41

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Solution

The fourth proportional to 239,550.54, 359,361.70 and 77,390.41 is: 116,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,550.54 : 359,361.70 = 77,390.41 : x
  2. Step 2: Convert to fraction form
    239,550.54/359,361.70 = 77,390.41/x
  3. Step 3: Cross multiply
    239,550.54x = 359,361.70 × 77,390.41
  4. Step 4: Simplify right side
    239,550.54x = 27,811,148,644.74
  5. Step 5: Solve for x
    x = 27,811,148,644.74/239,550.54
  6. Step 6: Final answer
    x = 116,097.21

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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.