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Finding the Fourth Proportional to 167,307.56, 230,881.56 and 91,855.52

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Solution

The fourth proportional to 167,307.56, 230,881.56 and 91,855.52 is: 126,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,307.56 : 230,881.56 = 91,855.52 : x
  2. Step 2: Convert to fraction form
    167,307.56/230,881.56 = 91,855.52/x
  3. Step 3: Cross multiply
    167,307.56x = 230,881.56 × 91,855.52
  4. Step 4: Simplify right side
    167,307.56x = 21,207,745,752.21
  5. Step 5: Solve for x
    x = 21,207,745,752.21/167,307.56
  6. Step 6: Final answer
    x = 126,759.04

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1.5x scale

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.