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Finding the Fourth Proportional to 361,559.28, 542,342.16 and 95,357.64

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Solution

The fourth proportional to 361,559.28, 542,342.16 and 95,357.64 is: 143,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,559.28 : 542,342.16 = 95,357.64 : x
  2. Step 2: Convert to fraction form
    361,559.28/542,342.16 = 95,357.64/x
  3. Step 3: Cross multiply
    361,559.28x = 542,342.16 × 95,357.64
  4. Step 4: Simplify right side
    361,559.28x = 51,716,468,450.10
  5. Step 5: Solve for x
    x = 51,716,468,450.10/361,559.28
  6. Step 6: Final answer
    x = 143,037.31

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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.