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Finding the Fourth Proportional to 122,293.30, 171,443.90 and 122,293.30

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Solution

The fourth proportional to 122,293.30, 171,443.90 and 122,293.30 is: 171,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,293.30 : 171,443.90 = 122,293.30 : x
  2. Step 2: Convert to fraction form
    122,293.30/171,443.90 = 122,293.30/x
  3. Step 3: Cross multiply
    122,293.30x = 171,443.90 × 122,293.30
  4. Step 4: Simplify right side
    122,293.30x = 20,966,440,295.87
  5. Step 5: Solve for x
    x = 20,966,440,295.87/122,293.30
  6. Step 6: Final answer
    x = 171,443.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.