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Finding the Fourth Proportional to 273,849.84, 377,908.50 and 152,992.80

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Solution

The fourth proportional to 273,849.84, 377,908.50 and 152,992.80 is: 211,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,849.84 : 377,908.50 = 152,992.80 : x
  2. Step 2: Convert to fraction form
    273,849.84/377,908.50 = 152,992.80/x
  3. Step 3: Cross multiply
    273,849.84x = 377,908.50 × 152,992.80
  4. Step 4: Simplify right side
    273,849.84x = 57,817,279,558.80
  5. Step 5: Solve for x
    x = 57,817,279,558.80/273,849.84
  6. Step 6: Final answer
    x = 211,127.67

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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.