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Finding the Fourth Proportional to 273,737.60, 410,606.40 and 126,281.60

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Solution

The fourth proportional to 273,737.60, 410,606.40 and 126,281.60 is: 189,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,737.60 : 410,606.40 = 126,281.60 : x
  2. Step 2: Convert to fraction form
    273,737.60/410,606.40 = 126,281.60/x
  3. Step 3: Cross multiply
    273,737.60x = 410,606.40 × 126,281.60
  4. Step 4: Simplify right side
    273,737.60x = 51,852,033,162.24
  5. Step 5: Solve for x
    x = 51,852,033,162.24/273,737.60
  6. Step 6: Final answer
    x = 189,422.40

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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.