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Finding the Fourth Proportional to 273,748.60, 410,491.68 and 140,560.32

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Solution

The fourth proportional to 273,748.60, 410,491.68 and 140,560.32 is: 210,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,748.60 : 410,491.68 = 140,560.32 : x
  2. Step 2: Convert to fraction form
    273,748.60/410,491.68 = 140,560.32/x
  3. Step 3: Cross multiply
    273,748.60x = 410,491.68 × 140,560.32
  4. Step 4: Simplify right side
    273,748.60x = 57,698,841,898.14
  5. Step 5: Solve for x
    x = 57,698,841,898.14/273,748.60
  6. Step 6: Final answer
    x = 210,773.10

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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.