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Finding the Fourth Proportional to 124,609.46, 171,957.75 and 114,578.42

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Solution

The fourth proportional to 124,609.46, 171,957.75 and 114,578.42 is: 158,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,609.46 : 171,957.75 = 114,578.42 : x
  2. Step 2: Convert to fraction form
    124,609.46/171,957.75 = 114,578.42/x
  3. Step 3: Cross multiply
    124,609.46x = 171,957.75 × 114,578.42
  4. Step 4: Simplify right side
    124,609.46x = 19,702,647,301.76
  5. Step 5: Solve for x
    x = 19,702,647,301.76/124,609.46
  6. Step 6: Final answer
    x = 158,115.18

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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.