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Finding the Fourth Proportional to 133,070.60, 199,605.90 and 106,826.60

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Solution

The fourth proportional to 133,070.60, 199,605.90 and 106,826.60 is: 160,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.60 : 199,605.90 = 106,826.60 : x
  2. Step 2: Convert to fraction form
    133,070.60/199,605.90 = 106,826.60/x
  3. Step 3: Cross multiply
    133,070.60x = 199,605.90 × 106,826.60
  4. Step 4: Simplify right side
    133,070.60x = 21,323,219,636.94
  5. Step 5: Solve for x
    x = 21,323,219,636.94/133,070.60
  6. Step 6: Final answer
    x = 160,239.90

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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.