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Finding the Fourth Proportional to 167,532.76, 250,938.27 and 78,653.08

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Solution

The fourth proportional to 167,532.76, 250,938.27 and 78,653.08 is: 117,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,532.76 : 250,938.27 = 78,653.08 : x
  2. Step 2: Convert to fraction form
    167,532.76/250,938.27 = 78,653.08/x
  3. Step 3: Cross multiply
    167,532.76x = 250,938.27 × 78,653.08
  4. Step 4: Simplify right side
    167,532.76x = 19,737,067,825.37
  5. Step 5: Solve for x
    x = 19,737,067,825.37/167,532.76
  6. Step 6: Final answer
    x = 117,810.20

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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.