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Finding the Fourth Proportional to 107,103.60, 160,655.40 and 89,996.40

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Solution

The fourth proportional to 107,103.60, 160,655.40 and 89,996.40 is: 134,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,103.60 : 160,655.40 = 89,996.40 : x
  2. Step 2: Convert to fraction form
    107,103.60/160,655.40 = 89,996.40/x
  3. Step 3: Cross multiply
    107,103.60x = 160,655.40 × 89,996.40
  4. Step 4: Simplify right side
    107,103.60x = 14,458,407,640.56
  5. Step 5: Solve for x
    x = 14,458,407,640.56/107,103.60
  6. Step 6: Final answer
    x = 134,994.60

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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.