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Finding the Fourth Proportional to 125,216.25, 187,846.25 and 55,093.74

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Solution

The fourth proportional to 125,216.25, 187,846.25 and 55,093.74 is: 82,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,216.25 : 187,846.25 = 55,093.74 : x
  2. Step 2: Convert to fraction form
    125,216.25/187,846.25 = 55,093.74/x
  3. Step 3: Cross multiply
    125,216.25x = 187,846.25 × 55,093.74
  4. Step 4: Simplify right side
    125,216.25x = 10,349,152,457.48
  5. Step 5: Solve for x
    x = 10,349,152,457.48/125,216.25
  6. Step 6: Final answer
    x = 82,650.23

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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.