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Finding the Fourth Proportional to 170,759.65, 235,857.56 and 127,930.67

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Solution

The fourth proportional to 170,759.65, 235,857.56 and 127,930.67 is: 176,701.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,759.65 : 235,857.56 = 127,930.67 : x
  2. Step 2: Convert to fraction form
    170,759.65/235,857.56 = 127,930.67/x
  3. Step 3: Cross multiply
    170,759.65x = 235,857.56 × 127,930.67
  4. Step 4: Simplify right side
    170,759.65x = 30,173,415,625.36
  5. Step 5: Solve for x
    x = 30,173,415,625.36/170,759.65
  6. Step 6: Final answer
    x = 176,701.09

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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.