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Finding the Fourth Proportional to 303,257.16, 454,879.50 and 134,731.80

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Solution

The fourth proportional to 303,257.16, 454,879.50 and 134,731.80 is: 202,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,257.16 : 454,879.50 = 134,731.80 : x
  2. Step 2: Convert to fraction form
    303,257.16/454,879.50 = 134,731.80/x
  3. Step 3: Cross multiply
    303,257.16x = 454,879.50 × 134,731.80
  4. Step 4: Simplify right side
    303,257.16x = 61,286,733,818.10
  5. Step 5: Solve for x
    x = 61,286,733,818.10/303,257.16
  6. Step 6: Final answer
    x = 202,094.93

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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.