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Finding the Fourth Proportional to 168,355.20, 252,500.40 and 50,030.40

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Solution

The fourth proportional to 168,355.20, 252,500.40 and 50,030.40 is: 75,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,355.20 : 252,500.40 = 50,030.40 : x
  2. Step 2: Convert to fraction form
    168,355.20/252,500.40 = 50,030.40/x
  3. Step 3: Cross multiply
    168,355.20x = 252,500.40 × 50,030.40
  4. Step 4: Simplify right side
    168,355.20x = 12,632,696,012.16
  5. Step 5: Solve for x
    x = 12,632,696,012.16/168,355.20
  6. Step 6: Final answer
    x = 75,035.97

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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.