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Finding the Fourth Proportional to 113,052.62, 155,968.21 and 67,732.52

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Solution

The fourth proportional to 113,052.62, 155,968.21 and 67,732.52 is: 93,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,052.62 : 155,968.21 = 67,732.52 : x
  2. Step 2: Convert to fraction form
    113,052.62/155,968.21 = 67,732.52/x
  3. Step 3: Cross multiply
    113,052.62x = 155,968.21 × 67,732.52
  4. Step 4: Simplify right side
    113,052.62x = 10,564,119,208.01
  5. Step 5: Solve for x
    x = 10,564,119,208.01/113,052.62
  6. Step 6: Final answer
    x = 93,444.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.