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Finding the Fourth Proportional to 170,149.25, 255,235.61 and 57,783.62

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Solution

The fourth proportional to 170,149.25, 255,235.61 and 57,783.62 is: 86,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,149.25 : 255,235.61 = 57,783.62 : x
  2. Step 2: Convert to fraction form
    170,149.25/255,235.61 = 57,783.62/x
  3. Step 3: Cross multiply
    170,149.25x = 255,235.61 × 57,783.62
  4. Step 4: Simplify right side
    170,149.25x = 14,748,436,366.99
  5. Step 5: Solve for x
    x = 14,748,436,366.99/170,149.25
  6. Step 6: Final answer
    x = 86,679.41

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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.