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Finding the Fourth Proportional to 336,776.52, 505,163.52 and 87,458.52

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Solution

The fourth proportional to 336,776.52, 505,163.52 and 87,458.52 is: 131,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,776.52 : 505,163.52 = 87,458.52 : x
  2. Step 2: Convert to fraction form
    336,776.52/505,163.52 = 87,458.52/x
  3. Step 3: Cross multiply
    336,776.52x = 505,163.52 × 87,458.52
  4. Step 4: Simplify right side
    336,776.52x = 44,180,853,817.19
  5. Step 5: Solve for x
    x = 44,180,853,817.19/336,776.52
  6. Step 6: Final answer
    x = 131,187.45

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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.