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Finding the Fourth Proportional to 170,334.32, 255,541.42 and 52,005.68

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Solution

The fourth proportional to 170,334.32, 255,541.42 and 52,005.68 is: 78,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,334.32 : 255,541.42 = 52,005.68 : x
  2. Step 2: Convert to fraction form
    170,334.32/255,541.42 = 52,005.68/x
  3. Step 3: Cross multiply
    170,334.32x = 255,541.42 × 52,005.68
  4. Step 4: Simplify right side
    170,334.32x = 13,289,605,315.27
  5. Step 5: Solve for x
    x = 13,289,605,315.27/170,334.32
  6. Step 6: Final answer
    x = 78,020.71

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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.