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Finding the Fourth Proportional to 133,234.17, 199,114.43 and 119,357.65

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Solution

The fourth proportional to 133,234.17, 199,114.43 and 119,357.65 is: 178,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,234.17 : 199,114.43 = 119,357.65 : x
  2. Step 2: Convert to fraction form
    133,234.17/199,114.43 = 119,357.65/x
  3. Step 3: Cross multiply
    133,234.17x = 199,114.43 × 119,357.65
  4. Step 4: Simplify right side
    133,234.17x = 23,765,830,433.69
  5. Step 5: Solve for x
    x = 23,765,830,433.69/133,234.17
  6. Step 6: Final answer
    x = 178,376.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.