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Finding the Fourth Proportional to 114,630.40, 171,969.90 and 34,661.80

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Solution

The fourth proportional to 114,630.40, 171,969.90 and 34,661.80 is: 52,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,630.40 : 171,969.90 = 34,661.80 : x
  2. Step 2: Convert to fraction form
    114,630.40/171,969.90 = 34,661.80/x
  3. Step 3: Cross multiply
    114,630.40x = 171,969.90 × 34,661.80
  4. Step 4: Simplify right side
    114,630.40x = 5,960,786,279.82
  5. Step 5: Solve for x
    x = 5,960,786,279.82/114,630.40
  6. Step 6: Final answer
    x = 52,000.05

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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.