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Finding the Fourth Proportional to 303,013.56, 454,520.40 and 92,651.52

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Solution

The fourth proportional to 303,013.56, 454,520.40 and 92,651.52 is: 138,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,013.56 : 454,520.40 = 92,651.52 : x
  2. Step 2: Convert to fraction form
    303,013.56/454,520.40 = 92,651.52/x
  3. Step 3: Cross multiply
    303,013.56x = 454,520.40 × 92,651.52
  4. Step 4: Simplify right side
    303,013.56x = 42,112,005,931.01
  5. Step 5: Solve for x
    x = 42,112,005,931.01/303,013.56
  6. Step 6: Final answer
    x = 138,977.30

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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.