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Finding the Fourth Proportional to 316,868.10, 475,374.15 and 106,527.30

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Solution

The fourth proportional to 316,868.10, 475,374.15 and 106,527.30 is: 159,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,868.10 : 475,374.15 = 106,527.30 : x
  2. Step 2: Convert to fraction form
    316,868.10/475,374.15 = 106,527.30/x
  3. Step 3: Cross multiply
    316,868.10x = 475,374.15 × 106,527.30
  4. Step 4: Simplify right side
    316,868.10x = 50,640,324,689.30
  5. Step 5: Solve for x
    x = 50,640,324,689.30/316,868.10
  6. Step 6: Final answer
    x = 159,815.16

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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.