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Finding the Fourth Proportional to 555,160.26, 832,742.55 and 134,436.54

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Solution

The fourth proportional to 555,160.26, 832,742.55 and 134,436.54 is: 201,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,160.26 : 832,742.55 = 134,436.54 : x
  2. Step 2: Convert to fraction form
    555,160.26/832,742.55 = 134,436.54/x
  3. Step 3: Cross multiply
    555,160.26x = 832,742.55 × 134,436.54
  4. Step 4: Simplify right side
    555,160.26x = 111,951,027,132.78
  5. Step 5: Solve for x
    x = 111,951,027,132.78/555,160.26
  6. Step 6: Final answer
    x = 201,655.33

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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.