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Finding the Fourth Proportional to 119,268.60, 178,902.90 and 60,219.60

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Solution

The fourth proportional to 119,268.60, 178,902.90 and 60,219.60 is: 90,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,268.60 : 178,902.90 = 60,219.60 : x
  2. Step 2: Convert to fraction form
    119,268.60/178,902.90 = 60,219.60/x
  3. Step 3: Cross multiply
    119,268.60x = 178,902.90 × 60,219.60
  4. Step 4: Simplify right side
    119,268.60x = 10,773,461,076.84
  5. Step 5: Solve for x
    x = 10,773,461,076.84/119,268.60
  6. Step 6: Final answer
    x = 90,329.40

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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.