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Finding the Fourth Proportional to 71,184.38, 106,736.13 and 29,015.07

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Solution

The fourth proportional to 71,184.38, 106,736.13 and 29,015.07 is: 43,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.38 : 106,736.13 = 29,015.07 : x
  2. Step 2: Convert to fraction form
    71,184.38/106,736.13 = 29,015.07/x
  3. Step 3: Cross multiply
    71,184.38x = 106,736.13 × 29,015.07
  4. Step 4: Simplify right side
    71,184.38x = 3,096,956,283.48
  5. Step 5: Solve for x
    x = 3,096,956,283.48/71,184.38
  6. Step 6: Final answer
    x = 43,506.12

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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.