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Finding the Fourth Proportional to 114,401.40, 171,650.70 and 55,206.60

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Solution

The fourth proportional to 114,401.40, 171,650.70 and 55,206.60 is: 82,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,401.40 : 171,650.70 = 55,206.60 : x
  2. Step 2: Convert to fraction form
    114,401.40/171,650.70 = 55,206.60/x
  3. Step 3: Cross multiply
    114,401.40x = 171,650.70 × 55,206.60
  4. Step 4: Simplify right side
    114,401.40x = 9,476,251,534.62
  5. Step 5: Solve for x
    x = 9,476,251,534.62/114,401.40
  6. Step 6: Final answer
    x = 82,833.35

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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.