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Finding the Fourth Proportional to 273,692.90, 377,692.63 and 152,836.31

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Solution

The fourth proportional to 273,692.90, 377,692.63 and 152,836.31 is: 210,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,692.90 : 377,692.63 = 152,836.31 : x
  2. Step 2: Convert to fraction form
    273,692.90/377,692.63 = 152,836.31/x
  3. Step 3: Cross multiply
    273,692.90x = 377,692.63 × 152,836.31
  4. Step 4: Simplify right side
    273,692.90x = 57,725,145,612.84
  5. Step 5: Solve for x
    x = 57,725,145,612.84/273,692.90
  6. Step 6: Final answer
    x = 210,912.11

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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.