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Finding the Fourth Proportional to 355,859.28, 533,765.88 and 134,237.52

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Solution

The fourth proportional to 355,859.28, 533,765.88 and 134,237.52 is: 201,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,859.28 : 533,765.88 = 134,237.52 : x
  2. Step 2: Convert to fraction form
    355,859.28/533,765.88 = 134,237.52/x
  3. Step 3: Cross multiply
    355,859.28x = 533,765.88 × 134,237.52
  4. Step 4: Simplify right side
    355,859.28x = 71,651,407,991.82
  5. Step 5: Solve for x
    x = 71,651,407,991.82/355,859.28
  6. Step 6: Final answer
    x = 201,347.59

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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.