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Finding the Fourth Proportional to 303,141.42, 454,747.23 and 100,755.60

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Solution

The fourth proportional to 303,141.42, 454,747.23 and 100,755.60 is: 151,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,141.42 : 454,747.23 = 100,755.60 : x
  2. Step 2: Convert to fraction form
    303,141.42/454,747.23 = 100,755.60/x
  3. Step 3: Cross multiply
    303,141.42x = 454,747.23 × 100,755.60
  4. Step 4: Simplify right side
    303,141.42x = 45,818,330,006.99
  5. Step 5: Solve for x
    x = 45,818,330,006.99/303,141.42
  6. Step 6: Final answer
    x = 151,145.07

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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.