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Finding the Fourth Proportional to 66,736.04, 99,998.69 and 54,195.04

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Solution

The fourth proportional to 66,736.04, 99,998.69 and 54,195.04 is: 81,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,736.04 : 99,998.69 = 54,195.04 : x
  2. Step 2: Convert to fraction form
    66,736.04/99,998.69 = 54,195.04/x
  3. Step 3: Cross multiply
    66,736.04x = 99,998.69 × 54,195.04
  4. Step 4: Simplify right side
    66,736.04x = 5,419,432,483.53
  5. Step 5: Solve for x
    x = 5,419,432,483.53/66,736.04
  6. Step 6: Final answer
    x = 81,206.98

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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.