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Finding the Fourth Proportional to 170,281.80, 255,449.70 and 57,972.60

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Solution

The fourth proportional to 170,281.80, 255,449.70 and 57,972.60 is: 86,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,281.80 : 255,449.70 = 57,972.60 : x
  2. Step 2: Convert to fraction form
    170,281.80/255,449.70 = 57,972.60/x
  3. Step 3: Cross multiply
    170,281.80x = 255,449.70 × 57,972.60
  4. Step 4: Simplify right side
    170,281.80x = 14,809,083,278.22
  5. Step 5: Solve for x
    x = 14,809,083,278.22/170,281.80
  6. Step 6: Final answer
    x = 86,968.09

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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.