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Finding the Fourth Proportional to 365,741.76, 548,656.48 and 129,035.52

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Solution

The fourth proportional to 365,741.76, 548,656.48 and 129,035.52 is: 193,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,741.76 : 548,656.48 = 129,035.52 : x
  2. Step 2: Convert to fraction form
    365,741.76/548,656.48 = 129,035.52/x
  3. Step 3: Cross multiply
    365,741.76x = 548,656.48 × 129,035.52
  4. Step 4: Simplify right side
    365,741.76x = 70,796,174,198.17
  5. Step 5: Solve for x
    x = 70,796,174,198.17/365,741.76
  6. Step 6: Final answer
    x = 193,568.75

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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.