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Finding the Fourth Proportional to 106,563.60, 159,845.40 and 89,456.40

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Solution

The fourth proportional to 106,563.60, 159,845.40 and 89,456.40 is: 134,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,563.60 : 159,845.40 = 89,456.40 : x
  2. Step 2: Convert to fraction form
    106,563.60/159,845.40 = 89,456.40/x
  3. Step 3: Cross multiply
    106,563.60x = 159,845.40 × 89,456.40
  4. Step 4: Simplify right side
    106,563.60x = 14,299,194,040.56
  5. Step 5: Solve for x
    x = 14,299,194,040.56/106,563.60
  6. Step 6: Final answer
    x = 134,184.60

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1.5x scale

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.