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Finding the Fourth Proportional to 124,867.50, 187,301.43 and 50,995.50

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Solution

The fourth proportional to 124,867.50, 187,301.43 and 50,995.50 is: 76,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,867.50 : 187,301.43 = 50,995.50 : x
  2. Step 2: Convert to fraction form
    124,867.50/187,301.43 = 50,995.50/x
  3. Step 3: Cross multiply
    124,867.50x = 187,301.43 × 50,995.50
  4. Step 4: Simplify right side
    124,867.50x = 9,551,530,073.57
  5. Step 5: Solve for x
    x = 9,551,530,073.57/124,867.50
  6. Step 6: Final answer
    x = 76,493.32

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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.