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Finding the Fourth Proportional to 555,146, 832,742.04 and 161,162

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Solution

The fourth proportional to 555,146, 832,742.04 and 161,162 is: 241,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,146 : 832,742.04 = 161,162 : x
  2. Step 2: Convert to fraction form
    555,146/832,742.04 = 161,162/x
  3. Step 3: Cross multiply
    555,146x = 832,742.04 × 161,162
  4. Step 4: Simplify right side
    555,146x = 134,206,372,650.48
  5. Step 5: Solve for x
    x = 134,206,372,650.48/555,146
  6. Step 6: Final answer
    x = 241,749.69

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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.