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Finding the Fourth Proportional to 122,460.80, 183,671.04 and 114,490.88

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Solution

The fourth proportional to 122,460.80, 183,671.04 and 114,490.88 is: 171,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,460.80 : 183,671.04 = 114,490.88 : x
  2. Step 2: Convert to fraction form
    122,460.80/183,671.04 = 114,490.88/x
  3. Step 3: Cross multiply
    122,460.80x = 183,671.04 × 114,490.88
  4. Step 4: Simplify right side
    122,460.80x = 21,028,659,000.12
  5. Step 5: Solve for x
    x = 21,028,659,000.12/122,460.80
  6. Step 6: Final answer
    x = 171,717.47

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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.