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Finding the Fourth Proportional to 92,602.63, 138,808.60 and 36,419.96

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Solution

The fourth proportional to 92,602.63, 138,808.60 and 36,419.96 is: 54,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,602.63 : 138,808.60 = 36,419.96 : x
  2. Step 2: Convert to fraction form
    92,602.63/138,808.60 = 36,419.96/x
  3. Step 3: Cross multiply
    92,602.63x = 138,808.60 × 36,419.96
  4. Step 4: Simplify right side
    92,602.63x = 5,055,403,659.66
  5. Step 5: Solve for x
    x = 5,055,403,659.66/92,602.63
  6. Step 6: Final answer
    x = 54,592.44

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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.