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Finding the Fourth Proportional to 203,527.89, 280,960.25 and 176,195.25

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Solution

The fourth proportional to 203,527.89, 280,960.25 and 176,195.25 is: 243,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,527.89 : 280,960.25 = 176,195.25 : x
  2. Step 2: Convert to fraction form
    203,527.89/280,960.25 = 176,195.25/x
  3. Step 3: Cross multiply
    203,527.89x = 280,960.25 × 176,195.25
  4. Step 4: Simplify right side
    203,527.89x = 49,503,860,607.84
  5. Step 5: Solve for x
    x = 49,503,860,607.84/203,527.89
  6. Step 6: Final answer
    x = 243,228.88

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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.