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Finding the Fourth Proportional to 119,191.76, 178,784.87 and 60,011.54

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Solution

The fourth proportional to 119,191.76, 178,784.87 and 60,011.54 is: 90,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,191.76 : 178,784.87 = 60,011.54 : x
  2. Step 2: Convert to fraction form
    119,191.76/178,784.87 = 60,011.54/x
  3. Step 3: Cross multiply
    119,191.76x = 178,784.87 × 60,011.54
  4. Step 4: Simplify right side
    119,191.76x = 10,729,154,183.42
  5. Step 5: Solve for x
    x = 10,729,154,183.42/119,191.76
  6. Step 6: Final answer
    x = 90,015.91

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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.