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Finding the Fourth Proportional to 122,015.60, 182,877.60 and 62,820.80

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Solution

The fourth proportional to 122,015.60, 182,877.60 and 62,820.80 is: 94,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,015.60 : 182,877.60 = 62,820.80 : x
  2. Step 2: Convert to fraction form
    122,015.60/182,877.60 = 62,820.80/x
  3. Step 3: Cross multiply
    122,015.60x = 182,877.60 × 62,820.80
  4. Step 4: Simplify right side
    122,015.60x = 11,488,517,134.08
  5. Step 5: Solve for x
    x = 11,488,517,134.08/122,015.60
  6. Step 6: Final answer
    x = 94,156.13

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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.