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Finding the Fourth Proportional to 190,344.88, 262,782.12 and 130,006

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Solution

The fourth proportional to 190,344.88, 262,782.12 and 130,006 is: 179,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,344.88 : 262,782.12 = 130,006 : x
  2. Step 2: Convert to fraction form
    190,344.88/262,782.12 = 130,006/x
  3. Step 3: Cross multiply
    190,344.88x = 262,782.12 × 130,006
  4. Step 4: Simplify right side
    190,344.88x = 34,163,252,292.72
  5. Step 5: Solve for x
    x = 34,163,252,292.72/190,344.88
  6. Step 6: Final answer
    x = 179,480.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.