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Finding the Fourth Proportional to 125,880.62, 173,719.65 and 68,524.67

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Solution

The fourth proportional to 125,880.62, 173,719.65 and 68,524.67 is: 94,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,880.62 : 173,719.65 = 68,524.67 : x
  2. Step 2: Convert to fraction form
    125,880.62/173,719.65 = 68,524.67/x
  3. Step 3: Cross multiply
    125,880.62x = 173,719.65 × 68,524.67
  4. Step 4: Simplify right side
    125,880.62x = 11,904,080,820.17
  5. Step 5: Solve for x
    x = 11,904,080,820.17/125,880.62
  6. Step 6: Final answer
    x = 94,566.43

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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.