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Finding the Fourth Proportional to 149,838.54, 206,952.71 and 119,313.82

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Solution

The fourth proportional to 149,838.54, 206,952.71 and 119,313.82 is: 164,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,838.54 : 206,952.71 = 119,313.82 : x
  2. Step 2: Convert to fraction form
    149,838.54/206,952.71 = 119,313.82/x
  3. Step 3: Cross multiply
    149,838.54x = 206,952.71 × 119,313.82
  4. Step 4: Simplify right side
    149,838.54x = 24,692,318,389.45
  5. Step 5: Solve for x
    x = 24,692,318,389.45/149,838.54
  6. Step 6: Final answer
    x = 164,792.84

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Why These Related Problems?

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