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Finding the Fourth Proportional to 106,673.81, 159,916.72 and 43,546.97

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Solution

The fourth proportional to 106,673.81, 159,916.72 and 43,546.97 is: 65,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,673.81 : 159,916.72 = 43,546.97 : x
  2. Step 2: Convert to fraction form
    106,673.81/159,916.72 = 43,546.97/x
  3. Step 3: Cross multiply
    106,673.81x = 159,916.72 × 43,546.97
  4. Step 4: Simplify right side
    106,673.81x = 6,963,887,699.89
  5. Step 5: Solve for x
    x = 6,963,887,699.89/106,673.81
  6. Step 6: Final answer
    x = 65,282.08

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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.