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Finding the Fourth Proportional to 104,416.60, 156,624.90 and 60,179.80

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Solution

The fourth proportional to 104,416.60, 156,624.90 and 60,179.80 is: 90,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,416.60 : 156,624.90 = 60,179.80 : x
  2. Step 2: Convert to fraction form
    104,416.60/156,624.90 = 60,179.80/x
  3. Step 3: Cross multiply
    104,416.60x = 156,624.90 × 60,179.80
  4. Step 4: Simplify right side
    104,416.60x = 9,425,655,157.02
  5. Step 5: Solve for x
    x = 9,425,655,157.02/104,416.60
  6. Step 6: Final answer
    x = 90,269.70

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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.