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Finding the Fourth Proportional to 273,693.67, 377,699.12 and 152,836.41

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Solution

The fourth proportional to 273,693.67, 377,699.12 and 152,836.41 is: 210,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,693.67 : 377,699.12 = 152,836.41 : x
  2. Step 2: Convert to fraction form
    273,693.67/377,699.12 = 152,836.41/x
  3. Step 3: Cross multiply
    273,693.67x = 377,699.12 × 152,836.41
  4. Step 4: Simplify right side
    273,693.67x = 57,726,177,560.96
  5. Step 5: Solve for x
    x = 57,726,177,560.96/273,693.67
  6. Step 6: Final answer
    x = 210,915.28

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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.