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Finding the Fourth Proportional to 179,638.80, 269,069.40 and 96,435.60

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Solution

The fourth proportional to 179,638.80, 269,069.40 and 96,435.60 is: 144,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,638.80 : 269,069.40 = 96,435.60 : x
  2. Step 2: Convert to fraction form
    179,638.80/269,069.40 = 96,435.60/x
  3. Step 3: Cross multiply
    179,638.80x = 269,069.40 × 96,435.60
  4. Step 4: Simplify right side
    179,638.80x = 25,947,869,030.64
  5. Step 5: Solve for x
    x = 25,947,869,030.64/179,638.80
  6. Step 6: Final answer
    x = 144,444.68

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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.