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Finding the Fourth Proportional to 273,870.30, 410,805.45 and 96,404.70

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Solution

The fourth proportional to 273,870.30, 410,805.45 and 96,404.70 is: 144,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,870.30 : 410,805.45 = 96,404.70 : x
  2. Step 2: Convert to fraction form
    273,870.30/410,805.45 = 96,404.70/x
  3. Step 3: Cross multiply
    273,870.30x = 410,805.45 × 96,404.70
  4. Step 4: Simplify right side
    273,870.30x = 39,603,576,165.62
  5. Step 5: Solve for x
    x = 39,603,576,165.62/273,870.30
  6. Step 6: Final answer
    x = 144,607.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.