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Finding the Fourth Proportional to 273,361.20, 410,041.80 and 96,068.40

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Solution

The fourth proportional to 273,361.20, 410,041.80 and 96,068.40 is: 144,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,361.20 : 410,041.80 = 96,068.40 : x
  2. Step 2: Convert to fraction form
    273,361.20/410,041.80 = 96,068.40/x
  3. Step 3: Cross multiply
    273,361.20x = 410,041.80 × 96,068.40
  4. Step 4: Simplify right side
    273,361.20x = 39,392,059,659.12
  5. Step 5: Solve for x
    x = 39,392,059,659.12/273,361.20
  6. Step 6: Final answer
    x = 144,102.60

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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.