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Finding the Fourth Proportional to 66,895.16, 100,145.90 and 44,653.37

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Solution

The fourth proportional to 66,895.16, 100,145.90 and 44,653.37 is: 66,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,895.16 : 100,145.90 = 44,653.37 : x
  2. Step 2: Convert to fraction form
    66,895.16/100,145.90 = 44,653.37/x
  3. Step 3: Cross multiply
    66,895.16x = 100,145.90 × 44,653.37
  4. Step 4: Simplify right side
    66,895.16x = 4,471,851,202.69
  5. Step 5: Solve for x
    x = 4,471,851,202.69/66,895.16
  6. Step 6: Final answer
    x = 66,848.66

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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.