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Finding the Fourth Proportional to 106,568.10, 159,852.15 and 89,460.90

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Solution

The fourth proportional to 106,568.10, 159,852.15 and 89,460.90 is: 134,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,568.10 : 159,852.15 = 89,460.90 : x
  2. Step 2: Convert to fraction form
    106,568.10/159,852.15 = 89,460.90/x
  3. Step 3: Cross multiply
    106,568.10x = 159,852.15 × 89,460.90
  4. Step 4: Simplify right side
    106,568.10x = 14,300,517,205.94
  5. Step 5: Solve for x
    x = 14,300,517,205.94/106,568.10
  6. Step 6: Final answer
    x = 134,191.35

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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.