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Finding the Fourth Proportional to 273,775.28, 377,805.87 and 152,918.31

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Solution

The fourth proportional to 273,775.28, 377,805.87 and 152,918.31 is: 211,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,775.28 : 377,805.87 = 152,918.31 : x
  2. Step 2: Convert to fraction form
    273,775.28/377,805.87 = 152,918.31/x
  3. Step 3: Cross multiply
    273,775.28x = 377,805.87 × 152,918.31
  4. Step 4: Simplify right side
    273,775.28x = 57,773,435,148.48
  5. Step 5: Solve for x
    x = 57,773,435,148.48/273,775.28
  6. Step 6: Final answer
    x = 211,025.03

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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.