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Finding the Fourth Proportional to 114,424.40, 171,636.60 and 104,286.80

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Solution

The fourth proportional to 114,424.40, 171,636.60 and 104,286.80 is: 156,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,424.40 : 171,636.60 = 104,286.80 : x
  2. Step 2: Convert to fraction form
    114,424.40/171,636.60 = 104,286.80/x
  3. Step 3: Cross multiply
    114,424.40x = 171,636.60 × 104,286.80
  4. Step 4: Simplify right side
    114,424.40x = 17,899,431,776.88
  5. Step 5: Solve for x
    x = 17,899,431,776.88/114,424.40
  6. Step 6: Final answer
    x = 156,430.20

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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.