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Finding the Fourth Proportional to 179,268.40, 268,902.60 and 155,940.40

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Solution

The fourth proportional to 179,268.40, 268,902.60 and 155,940.40 is: 233,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,268.40 : 268,902.60 = 155,940.40 : x
  2. Step 2: Convert to fraction form
    179,268.40/268,902.60 = 155,940.40/x
  3. Step 3: Cross multiply
    179,268.40x = 268,902.60 × 155,940.40
  4. Step 4: Simplify right side
    179,268.40x = 41,932,779,005.04
  5. Step 5: Solve for x
    x = 41,932,779,005.04/179,268.40
  6. Step 6: Final answer
    x = 233,910.60

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1.5x scale

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.