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Finding the Fourth Proportional to 311,310.40, 466,792.80 and 124,110.40

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Solution

The fourth proportional to 311,310.40, 466,792.80 and 124,110.40 is: 186,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,310.40 : 466,792.80 = 124,110.40 : x
  2. Step 2: Convert to fraction form
    311,310.40/466,792.80 = 124,110.40/x
  3. Step 3: Cross multiply
    311,310.40x = 466,792.80 × 124,110.40
  4. Step 4: Simplify right side
    311,310.40x = 57,933,841,125.12
  5. Step 5: Solve for x
    x = 57,933,841,125.12/311,310.40
  6. Step 6: Final answer
    x = 186,096.71

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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.