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Finding the Fourth Proportional to 85,607.65, 118,100.84 and 51,596.04

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Solution

The fourth proportional to 85,607.65, 118,100.84 and 51,596.04 is: 71,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,607.65 : 118,100.84 = 51,596.04 : x
  2. Step 2: Convert to fraction form
    85,607.65/118,100.84 = 51,596.04/x
  3. Step 3: Cross multiply
    85,607.65x = 118,100.84 × 51,596.04
  4. Step 4: Simplify right side
    85,607.65x = 6,093,535,849.57
  5. Step 5: Solve for x
    x = 6,093,535,849.57/85,607.65
  6. Step 6: Final answer
    x = 71,179.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.