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Finding the Fourth Proportional to 114,572.97, 171,859.15 and 64,630.40

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Solution

The fourth proportional to 114,572.97, 171,859.15 and 64,630.40 is: 96,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,572.97 : 171,859.15 = 64,630.40 : x
  2. Step 2: Convert to fraction form
    114,572.97/171,859.15 = 64,630.40/x
  3. Step 3: Cross multiply
    114,572.97x = 171,859.15 × 64,630.40
  4. Step 4: Simplify right side
    114,572.97x = 11,107,324,829.65
  5. Step 5: Solve for x
    x = 11,107,324,829.65/114,572.97
  6. Step 6: Final answer
    x = 96,945.42

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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.