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Finding the Fourth Proportional to 273,308.20, 409,962.30 and 96,015.40

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Solution

The fourth proportional to 273,308.20, 409,962.30 and 96,015.40 is: 144,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,308.20 : 409,962.30 = 96,015.40 : x
  2. Step 2: Convert to fraction form
    273,308.20/409,962.30 = 96,015.40/x
  3. Step 3: Cross multiply
    273,308.20x = 409,962.30 × 96,015.40
  4. Step 4: Simplify right side
    273,308.20x = 39,362,694,219.42
  5. Step 5: Solve for x
    x = 39,362,694,219.42/273,308.20
  6. Step 6: Final answer
    x = 144,023.10

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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.