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Finding the Fourth Proportional to 348,034.96, 522,150.45 and 134,867.26

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Solution

The fourth proportional to 348,034.96, 522,150.45 and 134,867.26 is: 202,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,034.96 : 522,150.45 = 134,867.26 : x
  2. Step 2: Convert to fraction form
    348,034.96/522,150.45 = 134,867.26/x
  3. Step 3: Cross multiply
    348,034.96x = 522,150.45 × 134,867.26
  4. Step 4: Simplify right side
    348,034.96x = 70,421,000,499.27
  5. Step 5: Solve for x
    x = 70,421,000,499.27/348,034.96
  6. Step 6: Final answer
    x = 202,338.87

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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.