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Finding the Fourth Proportional to 172,888.28, 259,332.46 and 54,568.84

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Solution

The fourth proportional to 172,888.28, 259,332.46 and 54,568.84 is: 81,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,888.28 : 259,332.46 = 54,568.84 : x
  2. Step 2: Convert to fraction form
    172,888.28/259,332.46 = 54,568.84/x
  3. Step 3: Cross multiply
    172,888.28x = 259,332.46 × 54,568.84
  4. Step 4: Simplify right side
    172,888.28x = 14,151,471,516.55
  5. Step 5: Solve for x
    x = 14,151,471,516.55/172,888.28
  6. Step 6: Final answer
    x = 81,853.27

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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.