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Finding the Fourth Proportional to 106,058.60, 159,087.90 and 100,874.60

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Solution

The fourth proportional to 106,058.60, 159,087.90 and 100,874.60 is: 151,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,058.60 : 159,087.90 = 100,874.60 : x
  2. Step 2: Convert to fraction form
    106,058.60/159,087.90 = 100,874.60/x
  3. Step 3: Cross multiply
    106,058.60x = 159,087.90 × 100,874.60
  4. Step 4: Simplify right side
    106,058.60x = 16,047,928,277.34
  5. Step 5: Solve for x
    x = 16,047,928,277.34/106,058.60
  6. Step 6: Final answer
    x = 151,311.90

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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.