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Finding the Fourth Proportional to 125,883.45, 173,722.32 and 68,525.87

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Solution

The fourth proportional to 125,883.45, 173,722.32 and 68,525.87 is: 94,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,883.45 : 173,722.32 = 68,525.87 : x
  2. Step 2: Convert to fraction form
    125,883.45/173,722.32 = 68,525.87/x
  3. Step 3: Cross multiply
    125,883.45x = 173,722.32 × 68,525.87
  4. Step 4: Simplify right side
    125,883.45x = 11,904,472,247.81
  5. Step 5: Solve for x
    x = 11,904,472,247.81/125,883.45
  6. Step 6: Final answer
    x = 94,567.41

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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.