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Finding the Fourth Proportional to 351,199.34, 526,585.68 and 137,711.48

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Solution

The fourth proportional to 351,199.34, 526,585.68 and 137,711.48 is: 206,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,199.34 : 526,585.68 = 137,711.48 : x
  2. Step 2: Convert to fraction form
    351,199.34/526,585.68 = 137,711.48/x
  3. Step 3: Cross multiply
    351,199.34x = 526,585.68 × 137,711.48
  4. Step 4: Simplify right side
    351,199.34x = 72,516,890,706.68
  5. Step 5: Solve for x
    x = 72,516,890,706.68/351,199.34
  6. Step 6: Final answer
    x = 206,483.56

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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.