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Finding the Fourth Proportional to 311,364.40, 466,873.80 and 124,164.40

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Solution

The fourth proportional to 311,364.40, 466,873.80 and 124,164.40 is: 186,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,364.40 : 466,873.80 = 124,164.40 : x
  2. Step 2: Convert to fraction form
    311,364.40/466,873.80 = 124,164.40/x
  3. Step 3: Cross multiply
    311,364.40x = 466,873.80 × 124,164.40
  4. Step 4: Simplify right side
    311,364.40x = 57,969,105,252.72
  5. Step 5: Solve for x
    x = 57,969,105,252.72/311,364.40
  6. Step 6: Final answer
    x = 186,177.69

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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.