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Finding the Fourth Proportional to 117,348.34, 175,735.42 and 105,975.94

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Solution

The fourth proportional to 117,348.34, 175,735.42 and 105,975.94 is: 158,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,348.34 : 175,735.42 = 105,975.94 : x
  2. Step 2: Convert to fraction form
    117,348.34/175,735.42 = 105,975.94/x
  3. Step 3: Cross multiply
    117,348.34x = 175,735.42 × 105,975.94
  4. Step 4: Simplify right side
    117,348.34x = 18,623,726,325.79
  5. Step 5: Solve for x
    x = 18,623,726,325.79/117,348.34
  6. Step 6: Final answer
    x = 158,704.64

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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.