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Finding the Fourth Proportional to 230,146.38, 317,602.04 and 134,671.41

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Solution

The fourth proportional to 230,146.38, 317,602.04 and 134,671.41 is: 185,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,146.38 : 317,602.04 = 134,671.41 : x
  2. Step 2: Convert to fraction form
    230,146.38/317,602.04 = 134,671.41/x
  3. Step 3: Cross multiply
    230,146.38x = 317,602.04 × 134,671.41
  4. Step 4: Simplify right side
    230,146.38x = 42,771,914,545.68
  5. Step 5: Solve for x
    x = 42,771,914,545.68/230,146.38
  6. Step 6: Final answer
    x = 185,846.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.