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Finding the Fourth Proportional to 96,563.60, 133,262.88 and 54,135.68

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Solution

The fourth proportional to 96,563.60, 133,262.88 and 54,135.68 is: 74,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,563.60 : 133,262.88 = 54,135.68 : x
  2. Step 2: Convert to fraction form
    96,563.60/133,262.88 = 54,135.68/x
  3. Step 3: Cross multiply
    96,563.60x = 133,262.88 × 54,135.68
  4. Step 4: Simplify right side
    96,563.60x = 7,214,276,627.56
  5. Step 5: Solve for x
    x = 7,214,276,627.56/96,563.60
  6. Step 6: Final answer
    x = 74,710.10

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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.