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Finding the Fourth Proportional to 106,007.96, 159,019.71 and 39,448.07

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Solution

The fourth proportional to 106,007.96, 159,019.71 and 39,448.07 is: 59,175.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,007.96 : 159,019.71 = 39,448.07 : x
  2. Step 2: Convert to fraction form
    106,007.96/159,019.71 = 39,448.07/x
  3. Step 3: Cross multiply
    106,007.96x = 159,019.71 × 39,448.07
  4. Step 4: Simplify right side
    106,007.96x = 6,273,020,651.46
  5. Step 5: Solve for x
    x = 6,273,020,651.46/106,007.96
  6. Step 6: Final answer
    x = 59,175.00

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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.