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Finding the Fourth Proportional to 50,267.32, 75,754 and 45,275.94

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Solution

The fourth proportional to 50,267.32, 75,754 and 45,275.94 is: 68,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,267.32 : 75,754 = 45,275.94 : x
  2. Step 2: Convert to fraction form
    50,267.32/75,754 = 45,275.94/x
  3. Step 3: Cross multiply
    50,267.32x = 75,754 × 45,275.94
  4. Step 4: Simplify right side
    50,267.32x = 3,429,833,558.76
  5. Step 5: Solve for x
    x = 3,429,833,558.76/50,267.32
  6. Step 6: Final answer
    x = 68,231.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.