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Finding the Fourth Proportional to 203,057.67, 279,593.67 and 180,357.21

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Solution

The fourth proportional to 203,057.67, 279,593.67 and 180,357.21 is: 248,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,057.67 : 279,593.67 = 180,357.21 : x
  2. Step 2: Convert to fraction form
    203,057.67/279,593.67 = 180,357.21/x
  3. Step 3: Cross multiply
    203,057.67x = 279,593.67 × 180,357.21
  4. Step 4: Simplify right side
    203,057.67x = 50,426,734,254.86
  5. Step 5: Solve for x
    x = 50,426,734,254.86/203,057.67
  6. Step 6: Final answer
    x = 248,337.01

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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.