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Finding the Fourth Proportional to 40,134, 60,201.60 and 19,076.19

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Solution

The fourth proportional to 40,134, 60,201.60 and 19,076.19 is: 28,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134 : 60,201.60 = 19,076.19 : x
  2. Step 2: Convert to fraction form
    40,134/60,201.60 = 19,076.19/x
  3. Step 3: Cross multiply
    40,134x = 60,201.60 × 19,076.19
  4. Step 4: Simplify right side
    40,134x = 1,148,417,159.90
  5. Step 5: Solve for x
    x = 1,148,417,159.90/40,134
  6. Step 6: Final answer
    x = 28,614.57

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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.