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Finding the Fourth Proportional to 76,571.64, 114,740.22 and 51,518.88

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Solution

The fourth proportional to 76,571.64, 114,740.22 and 51,518.88 is: 77,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,571.64 : 114,740.22 = 51,518.88 : x
  2. Step 2: Convert to fraction form
    76,571.64/114,740.22 = 51,518.88/x
  3. Step 3: Cross multiply
    76,571.64x = 114,740.22 × 51,518.88
  4. Step 4: Simplify right side
    76,571.64x = 5,911,287,625.35
  5. Step 5: Solve for x
    x = 5,911,287,625.35/76,571.64
  6. Step 6: Final answer
    x = 77,199.44

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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.