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Finding the Fourth Proportional to 66,793.51, 100,181.00 and 16,870.58

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Solution

The fourth proportional to 66,793.51, 100,181.00 and 16,870.58 is: 25,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,793.51 : 100,181.00 = 16,870.58 : x
  2. Step 2: Convert to fraction form
    66,793.51/100,181.00 = 16,870.58/x
  3. Step 3: Cross multiply
    66,793.51x = 100,181.00 × 16,870.58
  4. Step 4: Simplify right side
    66,793.51x = 1,690,111,491.93
  5. Step 5: Solve for x
    x = 1,690,111,491.93/66,793.51
  6. Step 6: Final answer
    x = 25,303.53

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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.