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Finding the Fourth Proportional to 273,846.84, 377,904.36 and 152,989.80

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Solution

The fourth proportional to 273,846.84, 377,904.36 and 152,989.80 is: 211,123.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,846.84 : 377,904.36 = 152,989.80 : x
  2. Step 2: Convert to fraction form
    273,846.84/377,904.36 = 152,989.80/x
  3. Step 3: Cross multiply
    273,846.84x = 377,904.36 × 152,989.80
  4. Step 4: Simplify right side
    273,846.84x = 57,815,512,455.53
  5. Step 5: Solve for x
    x = 57,815,512,455.53/273,846.84
  6. Step 6: Final answer
    x = 211,123.53

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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.