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Finding the Fourth Proportional to 66,200.06, 99,300.11 and 19,452.94

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Solution

The fourth proportional to 66,200.06, 99,300.11 and 19,452.94 is: 29,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,200.06 : 99,300.11 = 19,452.94 : x
  2. Step 2: Convert to fraction form
    66,200.06/99,300.11 = 19,452.94/x
  3. Step 3: Cross multiply
    66,200.06x = 99,300.11 × 19,452.94
  4. Step 4: Simplify right side
    66,200.06x = 1,931,678,736.31
  5. Step 5: Solve for x
    x = 1,931,678,736.31/66,200.06
  6. Step 6: Final answer
    x = 29,179.41

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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.