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Finding the Fourth Proportional to 76,416.78, 114,476.04 and 50,041.56

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Solution

The fourth proportional to 76,416.78, 114,476.04 and 50,041.56 is: 74,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416.78 : 114,476.04 = 50,041.56 : x
  2. Step 2: Convert to fraction form
    76,416.78/114,476.04 = 50,041.56/x
  3. Step 3: Cross multiply
    76,416.78x = 114,476.04 × 50,041.56
  4. Step 4: Simplify right side
    76,416.78x = 5,728,559,624.22
  5. Step 5: Solve for x
    x = 5,728,559,624.22/76,416.78
  6. Step 6: Final answer
    x = 74,964.68

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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.