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Finding the Fourth Proportional to 157,958.64, 236,950.20 and 52,777.98

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Solution

The fourth proportional to 157,958.64, 236,950.20 and 52,777.98 is: 79,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,958.64 : 236,950.20 = 52,777.98 : x
  2. Step 2: Convert to fraction form
    157,958.64/236,950.20 = 52,777.98/x
  3. Step 3: Cross multiply
    157,958.64x = 236,950.20 × 52,777.98
  4. Step 4: Simplify right side
    157,958.64x = 12,505,752,916.60
  5. Step 5: Solve for x
    x = 12,505,752,916.60/157,958.64
  6. Step 6: Final answer
    x = 79,171.06

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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.