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Finding the Fourth Proportional to 125,443.98, 173,256.37 and 82,614.93

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Solution

The fourth proportional to 125,443.98, 173,256.37 and 82,614.93 is: 114,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,443.98 : 173,256.37 = 82,614.93 : x
  2. Step 2: Convert to fraction form
    125,443.98/173,256.37 = 82,614.93/x
  3. Step 3: Cross multiply
    125,443.98x = 173,256.37 × 82,614.93
  4. Step 4: Simplify right side
    125,443.98x = 14,313,562,982.87
  5. Step 5: Solve for x
    x = 14,313,562,982.87/125,443.98
  6. Step 6: Final answer
    x = 114,103.22

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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.