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Finding the Fourth Proportional to 151,026, 226,539.72 and 40,218

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Solution

The fourth proportional to 151,026, 226,539.72 and 40,218 is: 60,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,026 : 226,539.72 = 40,218 : x
  2. Step 2: Convert to fraction form
    151,026/226,539.72 = 40,218/x
  3. Step 3: Cross multiply
    151,026x = 226,539.72 × 40,218
  4. Step 4: Simplify right side
    151,026x = 9,110,974,458.96
  5. Step 5: Solve for x
    x = 9,110,974,458.96/151,026
  6. Step 6: Final answer
    x = 60,327.19

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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.