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Finding the Fourth Proportional to 170,295.70, 255,474.60 and 57,970.57

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Solution

The fourth proportional to 170,295.70, 255,474.60 and 57,970.57 is: 86,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,295.70 : 255,474.60 = 57,970.57 : x
  2. Step 2: Convert to fraction form
    170,295.70/255,474.60 = 57,970.57/x
  3. Step 3: Cross multiply
    170,295.70x = 255,474.60 × 57,970.57
  4. Step 4: Simplify right side
    170,295.70x = 14,810,008,182.52
  5. Step 5: Solve for x
    x = 14,810,008,182.52/170,295.70
  6. Step 6: Final answer
    x = 86,966.42

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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.