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Finding the Fourth Proportional to 241,000.62, 332,568.05 and 139,020

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Solution

The fourth proportional to 241,000.62, 332,568.05 and 139,020 is: 191,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,000.62 : 332,568.05 = 139,020 : x
  2. Step 2: Convert to fraction form
    241,000.62/332,568.05 = 139,020/x
  3. Step 3: Cross multiply
    241,000.62x = 332,568.05 × 139,020
  4. Step 4: Simplify right side
    241,000.62x = 46,233,609,615.90
  5. Step 5: Solve for x
    x = 46,233,609,615.90/241,000.62
  6. Step 6: Final answer
    x = 191,840.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.