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Finding the Fourth Proportional to 117,234.45, 175,868.07 and 38,354.88

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Solution

The fourth proportional to 117,234.45, 175,868.07 and 38,354.88 is: 57,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,234.45 : 175,868.07 = 38,354.88 : x
  2. Step 2: Convert to fraction form
    117,234.45/175,868.07 = 38,354.88/x
  3. Step 3: Cross multiply
    117,234.45x = 175,868.07 × 38,354.88
  4. Step 4: Simplify right side
    117,234.45x = 6,745,398,720.68
  5. Step 5: Solve for x
    x = 6,745,398,720.68/117,234.45
  6. Step 6: Final answer
    x = 57,537.68

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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.