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Finding the Fourth Proportional to 114,003.40, 171,005.10 and 82,510.60

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Solution

The fourth proportional to 114,003.40, 171,005.10 and 82,510.60 is: 123,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,003.40 : 171,005.10 = 82,510.60 : x
  2. Step 2: Convert to fraction form
    114,003.40/171,005.10 = 82,510.60/x
  3. Step 3: Cross multiply
    114,003.40x = 171,005.10 × 82,510.60
  4. Step 4: Simplify right side
    114,003.40x = 14,109,733,404.06
  5. Step 5: Solve for x
    x = 14,109,733,404.06/114,003.40
  6. Step 6: Final answer
    x = 123,765.90

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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.