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Finding the Fourth Proportional to 273,500.55, 409,970.70 and 104,977.22

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Solution

The fourth proportional to 273,500.55, 409,970.70 and 104,977.22 is: 157,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,500.55 : 409,970.70 = 104,977.22 : x
  2. Step 2: Convert to fraction form
    273,500.55/409,970.70 = 104,977.22/x
  3. Step 3: Cross multiply
    273,500.55x = 409,970.70 × 104,977.22
  4. Step 4: Simplify right side
    273,500.55x = 43,037,582,317.60
  5. Step 5: Solve for x
    x = 43,037,582,317.60/273,500.55
  6. Step 6: Final answer
    x = 157,358.30

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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.