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Finding the Fourth Proportional to 303,079.65, 454,602.99 and 92,717.58

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Solution

The fourth proportional to 303,079.65, 454,602.99 and 92,717.58 is: 139,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,079.65 : 454,602.99 = 92,717.58 : x
  2. Step 2: Convert to fraction form
    303,079.65/454,602.99 = 92,717.58/x
  3. Step 3: Cross multiply
    303,079.65x = 454,602.99 × 92,717.58
  4. Step 4: Simplify right side
    303,079.65x = 42,149,689,093.56
  5. Step 5: Solve for x
    x = 42,149,689,093.56/303,079.65
  6. Step 6: Final answer
    x = 139,071.33

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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.