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Finding the Fourth Proportional to 150,329.64, 225,476.54 and 39,530.28

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Solution

The fourth proportional to 150,329.64, 225,476.54 and 39,530.28 is: 59,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,329.64 : 225,476.54 = 39,530.28 : x
  2. Step 2: Convert to fraction form
    150,329.64/225,476.54 = 39,530.28/x
  3. Step 3: Cross multiply
    150,329.64x = 225,476.54 × 39,530.28
  4. Step 4: Simplify right side
    150,329.64x = 8,913,150,759.63
  5. Step 5: Solve for x
    x = 8,913,150,759.63/150,329.64
  6. Step 6: Final answer
    x = 59,290.71

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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.