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Finding the Fourth Proportional to 273,059.28, 376,776.16 and 152,174.08

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Solution

The fourth proportional to 273,059.28, 376,776.16 and 152,174.08 is: 209,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,059.28 : 376,776.16 = 152,174.08 : x
  2. Step 2: Convert to fraction form
    273,059.28/376,776.16 = 152,174.08/x
  3. Step 3: Cross multiply
    273,059.28x = 376,776.16 × 152,174.08
  4. Step 4: Simplify right side
    273,059.28x = 57,335,565,513.93
  5. Step 5: Solve for x
    x = 57,335,565,513.93/273,059.28
  6. Step 6: Final answer
    x = 209,974.79

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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.