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Finding the Fourth Proportional to 145,361.61, 218,044.58 and 95,759.37

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Solution

The fourth proportional to 145,361.61, 218,044.58 and 95,759.37 is: 143,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,361.61 : 218,044.58 = 95,759.37 : x
  2. Step 2: Convert to fraction form
    145,361.61/218,044.58 = 95,759.37/x
  3. Step 3: Cross multiply
    145,361.61x = 218,044.58 × 95,759.37
  4. Step 4: Simplify right side
    145,361.61x = 20,879,811,133.92
  5. Step 5: Solve for x
    x = 20,879,811,133.92/145,361.61
  6. Step 6: Final answer
    x = 143,640.48

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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.