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Finding the Fourth Proportional to 176,919.40, 264,687.90 and 114,711.40

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Solution

The fourth proportional to 176,919.40, 264,687.90 and 114,711.40 is: 171,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,919.40 : 264,687.90 = 114,711.40 : x
  2. Step 2: Convert to fraction form
    176,919.40/264,687.90 = 114,711.40/x
  3. Step 3: Cross multiply
    176,919.40x = 264,687.90 × 114,711.40
  4. Step 4: Simplify right side
    176,919.40x = 30,362,719,572.06
  5. Step 5: Solve for x
    x = 30,362,719,572.06/176,919.40
  6. Step 6: Final answer
    x = 171,618.94

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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.