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Finding the Fourth Proportional to 227,671.39, 341,511.72 and 78,083.63

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Solution

The fourth proportional to 227,671.39, 341,511.72 and 78,083.63 is: 117,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,671.39 : 341,511.72 = 78,083.63 : x
  2. Step 2: Convert to fraction form
    227,671.39/341,511.72 = 78,083.63/x
  3. Step 3: Cross multiply
    227,671.39x = 341,511.72 × 78,083.63
  4. Step 4: Simplify right side
    227,671.39x = 26,666,474,785.14
  5. Step 5: Solve for x
    x = 26,666,474,785.14/227,671.39
  6. Step 6: Final answer
    x = 117,127.03

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1.5x scale

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.