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Finding the Fourth Proportional to 72,000.16, 108,016.02 and 22,084

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Solution

The fourth proportional to 72,000.16, 108,016.02 and 22,084 is: 33,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,000.16 : 108,016.02 = 22,084 : x
  2. Step 2: Convert to fraction form
    72,000.16/108,016.02 = 22,084/x
  3. Step 3: Cross multiply
    72,000.16x = 108,016.02 × 22,084
  4. Step 4: Simplify right side
    72,000.16x = 2,385,425,785.68
  5. Step 5: Solve for x
    x = 2,385,425,785.68/72,000.16
  6. Step 6: Final answer
    x = 33,130.84

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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.