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Finding the Fourth Proportional to 70,883.52, 106,179.48 and 51,201.60

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Solution

The fourth proportional to 70,883.52, 106,179.48 and 51,201.60 is: 76,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.52 : 106,179.48 = 51,201.60 : x
  2. Step 2: Convert to fraction form
    70,883.52/106,179.48 = 51,201.60/x
  3. Step 3: Cross multiply
    70,883.52x = 106,179.48 × 51,201.60
  4. Step 4: Simplify right side
    70,883.52x = 5,436,559,263.17
  5. Step 5: Solve for x
    x = 5,436,559,263.17/70,883.52
  6. Step 6: Final answer
    x = 76,697.08

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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.