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Finding the Fourth Proportional to 303,146.92, 454,755.50 and 100,761.12

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Solution

The fourth proportional to 303,146.92, 454,755.50 and 100,761.12 is: 151,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,146.92 : 454,755.50 = 100,761.12 : x
  2. Step 2: Convert to fraction form
    303,146.92/454,755.50 = 100,761.12/x
  3. Step 3: Cross multiply
    303,146.92x = 454,755.50 × 100,761.12
  4. Step 4: Simplify right side
    303,146.92x = 45,821,673,506.16
  5. Step 5: Solve for x
    x = 45,821,673,506.16/303,146.92
  6. Step 6: Final answer
    x = 151,153.35

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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.