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Finding the Fourth Proportional to 273,308.90, 377,166.07 and 152,450.15

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Solution

The fourth proportional to 273,308.90, 377,166.07 and 152,450.15 is: 210,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,308.90 : 377,166.07 = 152,450.15 : x
  2. Step 2: Convert to fraction form
    273,308.90/377,166.07 = 152,450.15/x
  3. Step 3: Cross multiply
    273,308.90x = 377,166.07 × 152,450.15
  4. Step 4: Simplify right side
    273,308.90x = 57,499,024,372.70
  5. Step 5: Solve for x
    x = 57,499,024,372.70/273,308.90
  6. Step 6: Final answer
    x = 210,381.09

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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.