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Finding the Fourth Proportional to 273,288.60, 409,835.70 and 123,600.60

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Solution

The fourth proportional to 273,288.60, 409,835.70 and 123,600.60 is: 185,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,288.60 : 409,835.70 = 123,600.60 : x
  2. Step 2: Convert to fraction form
    273,288.60/409,835.70 = 123,600.60/x
  3. Step 3: Cross multiply
    273,288.60x = 409,835.70 × 123,600.60
  4. Step 4: Simplify right side
    273,288.60x = 50,655,938,421.42
  5. Step 5: Solve for x
    x = 50,655,938,421.42/273,288.60
  6. Step 6: Final answer
    x = 185,356.94

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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.