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Finding the Fourth Proportional to 114,044.10, 171,017.22 and 39,171.78

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Solution

The fourth proportional to 114,044.10, 171,017.22 and 39,171.78 is: 58,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,044.10 : 171,017.22 = 39,171.78 : x
  2. Step 2: Convert to fraction form
    114,044.10/171,017.22 = 39,171.78/x
  3. Step 3: Cross multiply
    114,044.10x = 171,017.22 × 39,171.78
  4. Step 4: Simplify right side
    114,044.10x = 6,699,048,918.05
  5. Step 5: Solve for x
    x = 6,699,048,918.05/114,044.10
  6. Step 6: Final answer
    x = 58,740.86

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1.5x scale

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.