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Finding the Fourth Proportional to 106,167.51, 159,245.87 and 39,602.39

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Solution

The fourth proportional to 106,167.51, 159,245.87 and 39,602.39 is: 59,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,167.51 : 159,245.87 = 39,602.39 : x
  2. Step 2: Convert to fraction form
    106,167.51/159,245.87 = 39,602.39/x
  3. Step 3: Cross multiply
    106,167.51x = 159,245.87 × 39,602.39
  4. Step 4: Simplify right side
    106,167.51x = 6,306,516,055.39
  5. Step 5: Solve for x
    x = 6,306,516,055.39/106,167.51
  6. Step 6: Final answer
    x = 59,401.56

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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.