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Finding the Fourth Proportional to 273,749.79, 377,770.64 and 152,893.11

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Solution

The fourth proportional to 273,749.79, 377,770.64 and 152,893.11 is: 210,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,749.79 : 377,770.64 = 152,893.11 : x
  2. Step 2: Convert to fraction form
    273,749.79/377,770.64 = 152,893.11/x
  3. Step 3: Cross multiply
    273,749.79x = 377,770.64 × 152,893.11
  4. Step 4: Simplify right side
    273,749.79x = 57,758,527,251.82
  5. Step 5: Solve for x
    x = 57,758,527,251.82/273,749.79
  6. Step 6: Final answer
    x = 210,990.22

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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.