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Finding the Fourth Proportional to 170,188.52, 255,282.84 and 76,584.92

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Solution

The fourth proportional to 170,188.52, 255,282.84 and 76,584.92 is: 114,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,188.52 : 255,282.84 = 76,584.92 : x
  2. Step 2: Convert to fraction form
    170,188.52/255,282.84 = 76,584.92/x
  3. Step 3: Cross multiply
    170,188.52x = 255,282.84 × 76,584.92
  4. Step 4: Simplify right side
    170,188.52x = 19,550,815,878.77
  5. Step 5: Solve for x
    x = 19,550,815,878.77/170,188.52
  6. Step 6: Final answer
    x = 114,877.41

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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.