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Finding the Fourth Proportional to 104,015.70, 156,023.55 and 88,269.30

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Solution

The fourth proportional to 104,015.70, 156,023.55 and 88,269.30 is: 132,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,015.70 : 156,023.55 = 88,269.30 : x
  2. Step 2: Convert to fraction form
    104,015.70/156,023.55 = 88,269.30/x
  3. Step 3: Cross multiply
    104,015.70x = 156,023.55 × 88,269.30
  4. Step 4: Simplify right side
    104,015.70x = 13,772,089,542.02
  5. Step 5: Solve for x
    x = 13,772,089,542.02/104,015.70
  6. Step 6: Final answer
    x = 132,403.95

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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.