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Finding the Fourth Proportional to 273,213.72, 377,041.56 and 152,353.82

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Solution

The fourth proportional to 273,213.72, 377,041.56 and 152,353.82 is: 210,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,213.72 : 377,041.56 = 152,353.82 : x
  2. Step 2: Convert to fraction form
    273,213.72/377,041.56 = 152,353.82/x
  3. Step 3: Cross multiply
    273,213.72x = 377,041.56 × 152,353.82
  4. Step 4: Simplify right side
    273,213.72x = 57,443,721,964.76
  5. Step 5: Solve for x
    x = 57,443,721,964.76/273,213.72
  6. Step 6: Final answer
    x = 210,251.97

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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.