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Finding the Fourth Proportional to 273,709.12, 377,719.10 and 152,850.02

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Solution

The fourth proportional to 273,709.12, 377,719.10 and 152,850.02 is: 210,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,709.12 : 377,719.10 = 152,850.02 : x
  2. Step 2: Convert to fraction form
    273,709.12/377,719.10 = 152,850.02/x
  3. Step 3: Cross multiply
    273,709.12x = 377,719.10 × 152,850.02
  4. Step 4: Simplify right side
    273,709.12x = 57,734,371,989.38
  5. Step 5: Solve for x
    x = 57,734,371,989.38/273,709.12
  6. Step 6: Final answer
    x = 210,933.31

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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.