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Finding the Fourth Proportional to 303,079.38, 454,602.55 and 92,717.31

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Solution

The fourth proportional to 303,079.38, 454,602.55 and 92,717.31 is: 139,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,079.38 : 454,602.55 = 92,717.31 : x
  2. Step 2: Convert to fraction form
    303,079.38/454,602.55 = 92,717.31/x
  3. Step 3: Cross multiply
    303,079.38x = 454,602.55 × 92,717.31
  4. Step 4: Simplify right side
    303,079.38x = 42,149,525,555.14
  5. Step 5: Solve for x
    x = 42,149,525,555.14/303,079.38
  6. Step 6: Final answer
    x = 139,070.91

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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.