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Finding the Fourth Proportional to 102,600.89, 153,893.64 and 36,041.60

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Solution

The fourth proportional to 102,600.89, 153,893.64 and 36,041.60 is: 54,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,600.89 : 153,893.64 = 36,041.60 : x
  2. Step 2: Convert to fraction form
    102,600.89/153,893.64 = 36,041.60/x
  3. Step 3: Cross multiply
    102,600.89x = 153,893.64 × 36,041.60
  4. Step 4: Simplify right side
    102,600.89x = 5,546,573,015.42
  5. Step 5: Solve for x
    x = 5,546,573,015.42/102,600.89
  6. Step 6: Final answer
    x = 54,059.70

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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.