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Finding the Fourth Proportional to 311,036.40, 466,554.60 and 111,363.30

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Solution

The fourth proportional to 311,036.40, 466,554.60 and 111,363.30 is: 167,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,036.40 : 466,554.60 = 111,363.30 : x
  2. Step 2: Convert to fraction form
    311,036.40/466,554.60 = 111,363.30/x
  3. Step 3: Cross multiply
    311,036.40x = 466,554.60 × 111,363.30
  4. Step 4: Simplify right side
    311,036.40x = 51,957,059,886.18
  5. Step 5: Solve for x
    x = 51,957,059,886.18/311,036.40
  6. Step 6: Final answer
    x = 167,044.95

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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.