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Finding the Fourth Proportional to 103,574.84, 142,911.83 and 60,546.02

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Solution

The fourth proportional to 103,574.84, 142,911.83 and 60,546.02 is: 83,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,574.84 : 142,911.83 = 60,546.02 : x
  2. Step 2: Convert to fraction form
    103,574.84/142,911.83 = 60,546.02/x
  3. Step 3: Cross multiply
    103,574.84x = 142,911.83 × 60,546.02
  4. Step 4: Simplify right side
    103,574.84x = 8,652,741,954.22
  5. Step 5: Solve for x
    x = 8,652,741,954.22/103,574.84
  6. Step 6: Final answer
    x = 83,540.97

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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.