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Finding the Fourth Proportional to 167,595.80, 251,475.60 and 78,858.08

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Solution

The fourth proportional to 167,595.80, 251,475.60 and 78,858.08 is: 118,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,595.80 : 251,475.60 = 78,858.08 : x
  2. Step 2: Convert to fraction form
    167,595.80/251,475.60 = 78,858.08/x
  3. Step 3: Cross multiply
    167,595.80x = 251,475.60 × 78,858.08
  4. Step 4: Simplify right side
    167,595.80x = 19,830,882,982.85
  5. Step 5: Solve for x
    x = 19,830,882,982.85/167,595.80
  6. Step 6: Final answer
    x = 118,325.66

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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.