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Finding the Fourth Proportional to 113,753.62, 170,630.52 and 30,647.62

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Solution

The fourth proportional to 113,753.62, 170,630.52 and 30,647.62 is: 45,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,753.62 : 170,630.52 = 30,647.62 : x
  2. Step 2: Convert to fraction form
    113,753.62/170,630.52 = 30,647.62/x
  3. Step 3: Cross multiply
    113,753.62x = 170,630.52 × 30,647.62
  4. Step 4: Simplify right side
    113,753.62x = 5,229,419,337.36
  5. Step 5: Solve for x
    x = 5,229,419,337.36/113,753.62
  6. Step 6: Final answer
    x = 45,971.45

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1.5x scale

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.