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Finding the Fourth Proportional to 104,124.70, 156,150.60 and 54,188.20

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Solution

The fourth proportional to 104,124.70, 156,150.60 and 54,188.20 is: 81,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,124.70 : 156,150.60 = 54,188.20 : x
  2. Step 2: Convert to fraction form
    104,124.70/156,150.60 = 54,188.20/x
  3. Step 3: Cross multiply
    104,124.70x = 156,150.60 × 54,188.20
  4. Step 4: Simplify right side
    104,124.70x = 8,461,519,942.92
  5. Step 5: Solve for x
    x = 8,461,519,942.92/104,124.70
  6. Step 6: Final answer
    x = 81,263.33

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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.