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Finding the Fourth Proportional to 252,013.32, 377,888.67 and 118,857.78

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Solution

The fourth proportional to 252,013.32, 377,888.67 and 118,857.78 is: 178,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,013.32 : 377,888.67 = 118,857.78 : x
  2. Step 2: Convert to fraction form
    252,013.32/377,888.67 = 118,857.78/x
  3. Step 3: Cross multiply
    252,013.32x = 377,888.67 × 118,857.78
  4. Step 4: Simplify right side
    252,013.32x = 44,915,008,403.35
  5. Step 5: Solve for x
    x = 44,915,008,403.35/252,013.32
  6. Step 6: Final answer
    x = 178,224.74

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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.