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Finding the Fourth Proportional to 273,635.78, 377,601.51 and 152,784.72

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Solution

The fourth proportional to 273,635.78, 377,601.51 and 152,784.72 is: 210,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,635.78 : 377,601.51 = 152,784.72 : x
  2. Step 2: Convert to fraction form
    273,635.78/377,601.51 = 152,784.72/x
  3. Step 3: Cross multiply
    273,635.78x = 377,601.51 × 152,784.72
  4. Step 4: Simplify right side
    273,635.78x = 57,691,741,549.87
  5. Step 5: Solve for x
    x = 57,691,741,549.87/273,635.78
  6. Step 6: Final answer
    x = 210,834.05

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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.