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Finding the Fourth Proportional to 76,144.88, 114,258.36 and 36,154.64

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Solution

The fourth proportional to 76,144.88, 114,258.36 and 36,154.64 is: 54,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,144.88 : 114,258.36 = 36,154.64 : x
  2. Step 2: Convert to fraction form
    76,144.88/114,258.36 = 36,154.64/x
  3. Step 3: Cross multiply
    76,144.88x = 114,258.36 × 36,154.64
  4. Step 4: Simplify right side
    76,144.88x = 4,130,969,872.79
  5. Step 5: Solve for x
    x = 4,130,969,872.79/76,144.88
  6. Step 6: Final answer
    x = 54,251.45

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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.