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Finding the Fourth Proportional to 170,240.97, 255,454.33 and 70,409.82

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Solution

The fourth proportional to 170,240.97, 255,454.33 and 70,409.82 is: 105,653.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,240.97 : 255,454.33 = 70,409.82 : x
  2. Step 2: Convert to fraction form
    170,240.97/255,454.33 = 70,409.82/x
  3. Step 3: Cross multiply
    170,240.97x = 255,454.33 × 70,409.82
  4. Step 4: Simplify right side
    170,240.97x = 17,986,493,393.52
  5. Step 5: Solve for x
    x = 17,986,493,393.52/170,240.97
  6. Step 6: Final answer
    x = 105,653.14

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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.