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Finding the Fourth Proportional to 273,273.62, 377,120.85 and 152,425.40

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Solution

The fourth proportional to 273,273.62, 377,120.85 and 152,425.40 is: 210,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,273.62 : 377,120.85 = 152,425.40 : x
  2. Step 2: Convert to fraction form
    273,273.62/377,120.85 = 152,425.40/x
  3. Step 3: Cross multiply
    273,273.62x = 377,120.85 × 152,425.40
  4. Step 4: Simplify right side
    273,273.62x = 57,482,796,409.59
  5. Step 5: Solve for x
    x = 57,482,796,409.59/273,273.62
  6. Step 6: Final answer
    x = 210,348.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.