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Finding the Fourth Proportional to 117,162.84, 175,771.32 and 38,282.88

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Solution

The fourth proportional to 117,162.84, 175,771.32 and 38,282.88 is: 57,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,162.84 : 175,771.32 = 38,282.88 : x
  2. Step 2: Convert to fraction form
    117,162.84/175,771.32 = 38,282.88/x
  3. Step 3: Cross multiply
    117,162.84x = 175,771.32 × 38,282.88
  4. Step 4: Simplify right side
    117,162.84x = 6,729,032,351.00
  5. Step 5: Solve for x
    x = 6,729,032,351.00/117,162.84
  6. Step 6: Final answer
    x = 57,433.16

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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.