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Finding the Fourth Proportional to 203,697.68, 280,105.76 and 176,793.32

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Solution

The fourth proportional to 203,697.68, 280,105.76 and 176,793.32 is: 243,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,697.68 : 280,105.76 = 176,793.32 : x
  2. Step 2: Convert to fraction form
    203,697.68/280,105.76 = 176,793.32/x
  3. Step 3: Cross multiply
    203,697.68x = 280,105.76 × 176,793.32
  4. Step 4: Simplify right side
    203,697.68x = 49,520,828,403.77
  5. Step 5: Solve for x
    x = 49,520,828,403.77/203,697.68
  6. Step 6: Final answer
    x = 243,109.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.