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Finding the Fourth Proportional to 167,532.73, 250,938.21 and 78,653.05

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Solution

The fourth proportional to 167,532.73, 250,938.21 and 78,653.05 is: 117,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,532.73 : 250,938.21 = 78,653.05 : x
  2. Step 2: Convert to fraction form
    167,532.73/250,938.21 = 78,653.05/x
  3. Step 3: Cross multiply
    167,532.73x = 250,938.21 × 78,653.05
  4. Step 4: Simplify right side
    167,532.73x = 19,737,054,323.35
  5. Step 5: Solve for x
    x = 19,737,054,323.35/167,532.73
  6. Step 6: Final answer
    x = 117,810.14

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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.