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Finding the Fourth Proportional to 170,099.64, 255,065.64 and 57,738.84

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Solution

The fourth proportional to 170,099.64, 255,065.64 and 57,738.84 is: 86,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,099.64 : 255,065.64 = 57,738.84 : x
  2. Step 2: Convert to fraction form
    170,099.64/255,065.64 = 57,738.84/x
  3. Step 3: Cross multiply
    170,099.64x = 255,065.64 × 57,738.84
  4. Step 4: Simplify right side
    170,099.64x = 14,727,194,177.46
  5. Step 5: Solve for x
    x = 14,727,194,177.46/170,099.64
  6. Step 6: Final answer
    x = 86,579.81

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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.