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Finding the Fourth Proportional to 60,958.96, 84,121.40 and 34,100.90

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Solution

The fourth proportional to 60,958.96, 84,121.40 and 34,100.90 is: 47,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,958.96 : 84,121.40 = 34,100.90 : x
  2. Step 2: Convert to fraction form
    60,958.96/84,121.40 = 34,100.90/x
  3. Step 3: Cross multiply
    60,958.96x = 84,121.40 × 34,100.90
  4. Step 4: Simplify right side
    60,958.96x = 2,868,615,429.36
  5. Step 5: Solve for x
    x = 2,868,615,429.36/60,958.96
  6. Step 6: Final answer
    x = 47,058.14

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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.