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Finding the Fourth Proportional to 107,168.40, 160,752.60 and 67,899.60

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Solution

The fourth proportional to 107,168.40, 160,752.60 and 67,899.60 is: 101,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,168.40 : 160,752.60 = 67,899.60 : x
  2. Step 2: Convert to fraction form
    107,168.40/160,752.60 = 67,899.60/x
  3. Step 3: Cross multiply
    107,168.40x = 160,752.60 × 67,899.60
  4. Step 4: Simplify right side
    107,168.40x = 10,915,037,238.96
  5. Step 5: Solve for x
    x = 10,915,037,238.96/107,168.40
  6. Step 6: Final answer
    x = 101,849.40

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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.