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Finding the Fourth Proportional to 65,167.22, 89,933.74 and 50,995.46

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Solution

The fourth proportional to 65,167.22, 89,933.74 and 50,995.46 is: 70,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,167.22 : 89,933.74 = 50,995.46 : x
  2. Step 2: Convert to fraction form
    65,167.22/89,933.74 = 50,995.46/x
  3. Step 3: Cross multiply
    65,167.22x = 89,933.74 × 50,995.46
  4. Step 4: Simplify right side
    65,167.22x = 4,586,212,440.82
  5. Step 5: Solve for x
    x = 4,586,212,440.82/65,167.22
  6. Step 6: Final answer
    x = 70,376.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.