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Finding the Fourth Proportional to 125,682.50, 173,445.21 and 68,325.67

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Solution

The fourth proportional to 125,682.50, 173,445.21 and 68,325.67 is: 94,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,682.50 : 173,445.21 = 68,325.67 : x
  2. Step 2: Convert to fraction form
    125,682.50/173,445.21 = 68,325.67/x
  3. Step 3: Cross multiply
    125,682.50x = 173,445.21 × 68,325.67
  4. Step 4: Simplify right side
    125,682.50x = 11,850,758,972.69
  5. Step 5: Solve for x
    x = 11,850,758,972.69/125,682.50
  6. Step 6: Final answer
    x = 94,291.25

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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.