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Finding the Fourth Proportional to 344,375.03, 516,567.80 and 131,154.74

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Solution

The fourth proportional to 344,375.03, 516,567.80 and 131,154.74 is: 196,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,375.03 : 516,567.80 = 131,154.74 : x
  2. Step 2: Convert to fraction form
    344,375.03/516,567.80 = 131,154.74/x
  3. Step 3: Cross multiply
    344,375.03x = 516,567.80 × 131,154.74
  4. Step 4: Simplify right side
    344,375.03x = 67,750,315,501.37
  5. Step 5: Solve for x
    x = 67,750,315,501.37/344,375.03
  6. Step 6: Final answer
    x = 196,734.11

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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.