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Finding the Fourth Proportional to 273,763.62, 411,374.40 and 147,500.82

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Solution

The fourth proportional to 273,763.62, 411,374.40 and 147,500.82 is: 221,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,763.62 : 411,374.40 = 147,500.82 : x
  2. Step 2: Convert to fraction form
    273,763.62/411,374.40 = 147,500.82/x
  3. Step 3: Cross multiply
    273,763.62x = 411,374.40 × 147,500.82
  4. Step 4: Simplify right side
    273,763.62x = 60,678,061,327.01
  5. Step 5: Solve for x
    x = 60,678,061,327.01/273,763.62
  6. Step 6: Final answer
    x = 221,643.99

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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.