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Finding the Fourth Proportional to 117,059.88, 175,617.78 and 38,174.18

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Solution

The fourth proportional to 117,059.88, 175,617.78 and 38,174.18 is: 57,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,059.88 : 175,617.78 = 38,174.18 : x
  2. Step 2: Convert to fraction form
    117,059.88/175,617.78 = 38,174.18/x
  3. Step 3: Cross multiply
    117,059.88x = 175,617.78 × 38,174.18
  4. Step 4: Simplify right side
    117,059.88x = 6,704,064,744.92
  5. Step 5: Solve for x
    x = 6,704,064,744.92/117,059.88
  6. Step 6: Final answer
    x = 57,270.39

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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.