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Finding the Fourth Proportional to 171,065.12, 256,524.32 and 58,756.64

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Solution

The fourth proportional to 171,065.12, 256,524.32 and 58,756.64 is: 88,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,065.12 : 256,524.32 = 58,756.64 : x
  2. Step 2: Convert to fraction form
    171,065.12/256,524.32 = 58,756.64/x
  3. Step 3: Cross multiply
    171,065.12x = 256,524.32 × 58,756.64
  4. Step 4: Simplify right side
    171,065.12x = 15,072,507,121.48
  5. Step 5: Solve for x
    x = 15,072,507,121.48/171,065.12
  6. Step 6: Final answer
    x = 88,109.76

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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.