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Finding the Fourth Proportional to 117,272, 175,908.14 and 28,524.89

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Solution

The fourth proportional to 117,272, 175,908.14 and 28,524.89 is: 42,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,272 : 175,908.14 = 28,524.89 : x
  2. Step 2: Convert to fraction form
    117,272/175,908.14 = 28,524.89/x
  3. Step 3: Cross multiply
    117,272x = 175,908.14 × 28,524.89
  4. Step 4: Simplify right side
    117,272x = 5,017,760,343.60
  5. Step 5: Solve for x
    x = 5,017,760,343.60/117,272
  6. Step 6: Final answer
    x = 42,787.37

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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.